Chicken Alfredo Stuffed Shells: A Creamy, Comforting Family Dinner
Chicken Alfredo Stuffed Shells combine tender pasta shells with a rich, creamy Alfredo sauce and savory chicken filling. This comforting Italian-American dish transforms classic fettuccine Alfredo into an elegant baked pasta that’s perfect for family dinners, potlucks, or meal prep. Whether you’re cooking for picky eaters or hosting a dinner party, these stuffed shells deliver restaurant-quality flavor with minimal effort.
What Are Chicken Alfredo Stuffed Shells?
Chicken Alfredo Stuffed Shells are jumbo pasta shells filled with a mixture of shredded chicken, creamy ricotta cheese, and Italian seasonings. They’re topped with homemade Alfredo sauce and baked until golden and bubbly. This dish takes the beloved flavors of chicken Alfredo pasta and presents them in an impressive format.
The jumbo shells create perfect pockets for holding the filling. Each shell becomes a self-contained serving of creamy, cheesy goodness. The Alfredo sauce binds everything together while adding richness and flavor.
This recipe appeals to both children and adults. The familiar Alfredo flavor makes it approachable for picky eaters. The elegant presentation makes it suitable for special occasions. Many home cooks prepare this dish for Sunday dinners or holiday gatherings.
Why You’ll Love This Recipe
Make-Ahead Friendly
Stuffed shells are ideal for meal planning. You can assemble them completely and refrigerate for up to 24 hours before baking. This makes weeknight dinners stress-free. Simply pop the prepared dish in the oven when you’re ready to eat.
Freezing is another option. Unbaked stuffed shells freeze beautifully for up to three months. Thaw overnight in the refrigerator before baking as directed.
Crowd-Pleasing Comfort Food
Few dishes satisfy like creamy, cheesy pasta. The combination of tender chicken, rich Alfredo sauce, and melted cheese creates ultimate comfort food. Everyone from toddlers to grandparents typically enjoys this meal.
The mild flavors work well for various palates. Unlike spicy or strongly seasoned dishes, Chicken Alfredo Stuffed Shells accommodate diverse taste preferences. This makes them perfect for potlucks and family gatherings.
Budget-Friendly Elegance
Despite looking fancy, this recipe uses affordable ingredients. Chicken breast, pasta shells, and basic dairy products form the foundation. You can easily feed six to eight people without breaking the bank.
Leftover rotisserie chicken works perfectly in this recipe. This shortcut saves time and reduces waste. Check out our guide on [using rotisserie chicken in recipes] for more ideas.
Customizable Base Recipe
The basic recipe serves as a canvas for creativity. Add vegetables like spinach or broccoli for extra nutrition. Swap mozzarella for different cheese varieties. Adjust seasonings to match your preferences. The possibilities are endless.
Essential Ingredients
For the Pasta
Jumbo Pasta Shells: Purchase a 12-ounce box of jumbo shells. Look for shells labeled “stuffing shells” or “manicotti shells.” Quality matters here. Brands like Barilla, De Cecco, or Ronzoni work well. You’ll need approximately 24-28 cooked shells.
Cook shells until al dente. Overcooked shells tear easily during stuffing. Undercooked shells remain too firm after baking. Follow package directions but test a shell two minutes before the recommended time.
For the Filling
Cooked Chicken: Use 3 cups of shredded, cooked chicken breast. Rotisserie chicken saves time and adds flavor. Alternatively, poach or bake chicken breasts specifically for this recipe. Season the chicken lightly with salt and pepper.
Ricotta Cheese: Full-fat ricotta provides the best texture and flavor. You’ll need 15 ounces (one standard container). The ricotta creates a creamy base that holds the filling together. Part-skim ricotta works in a pinch but yields a slightly drier result.
Mozzarella Cheese: Shredded mozzarella adds stretchiness and mild flavor. Use 2 cups divided—1 cup in the filling and 1 cup for topping. Pre-shredded cheese contains anti-caking agents that affect melting. Shredding block cheese yourself produces superior results.
Parmesan Cheese: Freshly grated Parmesan adds sharp, nutty flavor. You’ll need ¾ cup total.
Egg: One large egg binds the filling ingredients together. The egg prevents the filling from becoming too loose or separating during baking.
Garlic: Fresh minced garlic (2-3 cloves) enhances the Italian flavor profile. Garlic powder can substitute in a pinch—use 1 teaspoon.
Italian Seasoning: This blend typically contains basil, oregano, thyme, and rosemary. Use 1 tablespoon in the filling. Quality dried herbs make a difference in flavor.
Salt and Black Pepper: Season to taste. Start with ½ teaspoon salt and ¼ teaspoon pepper, then adjust.
For the Alfredo Sauce
Butter: Unsalted butter gives you control over the salt content. You’ll need 4 tablespoons (½ stick). The butter creates the sauce’s rich foundation.
Heavy Cream: Use 2 cups of heavy whipping cream. Avoid half-and-half or milk as substitutes. These lighter options don’t create the same luxurious texture. The high fat content in heavy cream prevents curdling.
Parmesan Cheese: An additional 1 cup of freshly grated Parmesan thickens the sauce. The cheese melts into the cream, creating smooth consistency.
Garlic: Minced garlic (2-3 cloves) infuses the sauce with flavor. Sauté the garlic gently to avoid bitterness.
Nutmeg: A pinch of freshly grated nutmeg adds depth. This secret ingredient elevates homemade Alfredo sauce above jarred versions.
Salt and White Pepper: Season the sauce carefully. White pepper maintains the sauce’s pale color better than black pepper.
Kitchen Tools You’ll Need
Essential Equipment
Large Pot: A 6-8 quart pot accommodates the jumbo shells comfortably. The shells need space to cook without sticking together.
9×13-inch Baking Dish: This standard size holds approximately 24 shells perfectly. Glass or ceramic dishes work best. Metal pans can react with acidic ingredients.
Mixing Bowls: You’ll need several medium to large bowls. One for the filling, one for draining shells, and one for any prep work.
Slotted Spoon: This tool helps transfer cooked shells without excess water. A regular spoon allows too much water to drain into your workspace.
Medium Saucepan: For making the Alfredo sauce. A 3-4 quart saucepan provides adequate space for whisking.
Whisk: Essential for creating smooth Alfredo sauce. A balloon whisk works better than a flat whisk for this purpose.
Grater: For fresh Parmesan cheese. Box graters or Microplane graters both work well. Fresh grating produces better flavor than pre-grated cheese.
Helpful But Optional
Piping Bag: Makes filling shells cleaner and faster. A large zip-top bag with the corner cut off serves as an excellent alternative.
Kitchen Timer: Prevents overcooking pasta or sauce. Smartphone timers work perfectly.
Meat Thermometer: If cooking chicken specifically for this recipe, ensure it reaches 165°F for food safety.

Step-by-Step Instructions
Preparing the Pasta Shells
Fill your large pot with water and add 1 tablespoon of salt. Bring to a rolling boil over high heat. The salt seasons the pasta from the inside out.
Add the jumbo shells carefully. Stir immediately to prevent sticking. Reduce heat to medium-high to maintain a steady boil without overflowing.
Cook shells for 9-10 minutes, or 2 minutes less than package directions. Test a shell by removing it with a slotted spoon and cooling briefly. The shell should be pliable but still firm. This is crucial because shells continue cooking in the oven.
Drain shells in a colander. Rinse immediately with cold water to stop the cooking process. This also prevents shells from sticking together. Spread shells on a clean kitchen towel or parchment paper in a single layer. Pat dry gently.
Making the Chicken Filling
Combine shredded chicken, ricotta cheese, 1 cup mozzarella, ½ cup Parmesan, egg, minced garlic, and Italian seasoning in a large mixing bowl. Season with salt and pepper.
Mix thoroughly with a wooden spoon or your hands. The mixture should be cohesive but not overly wet. Taste and adjust seasoning. Remember, the Alfredo sauce adds additional saltiness.
If using a piping bag, transfer the filling now. Otherwise, use a spoon for filling each shell. Both methods work well.
Preparing the Alfredo Sauce
Melt butter in a medium saucepan over medium heat. Add minced garlic and sauté for 1 minute until fragrant. Don’t let the garlic brown, as this creates bitterness.
Pour in heavy cream gradually while whisking constantly. Increase heat slightly and bring to a gentle simmer. Don’t let the mixture boil vigorously.
Reduce heat to low. Add grated Parmesan cheese gradually while whisking continuously. The sauce should thicken noticeably. This process takes 3-5 minutes. Add nutmeg, salt, and white pepper. Continue whisking until smooth and creamy.
Remove from heat once the sauce coats the back of a spoon. The sauce thickens further as it cools. If it becomes too thick, whisk in a tablespoon of milk or cream at a time.
Assembling the Dish
Preheat your oven to 350°F. Lightly grease your 9×13-inch baking dish with butter or cooking spray.
Spread one cup of Alfredo sauce across the bottom of the baking dish. This prevents shells from sticking and adds extra creaminess.
Fill each shell generously with the chicken mixture. If using a spoon, scoop about 2 tablespoons of filling per shell. If using a piping bag, pipe filling into each shell opening.
Place filled shells in the baking dish, opening side up. Arrange them snugly but not crammed. You should fit approximately 24 shells.
Pour remaining Alfredo sauce over the shells. Make sure each shell receives some sauce. The sauce seeps between shells during baking, creating pockets of creamy goodness.
Sprinkle the remaining 1 cup of mozzarella and ¼ cup Parmesan over the top. The cheese creates a golden, bubbly crust during baking.
Baking
Cover the baking dish tightly with aluminum foil. The foil traps moisture and prevents the cheese from browning too quickly.
Bake for 25 minutes covered. This allows the shells to heat through and the flavors to meld. The internal temperature should reach 165°F.
Remove foil carefully. Steam escapes, so keep your face away from the dish. Bake uncovered for an additional 10-15 minutes. The cheese should be golden brown and bubbling.
Watch closely during the final minutes. Oven temperatures vary. The shells are done when the edges bubble vigorously and the cheese develops golden spots.
Let the dish rest for 5-10 minutes before serving. This settling period allows the sauce to thicken slightly. Cutting into the dish immediately causes excessive sauce runoff.
Expert Tips for Perfect Stuffed Shells
Preventing Shells from Breaking
Handle shells gently when transferring from pot to workspace. Use a slotted spoon rather than dumping all shells into a colander at once.
Don’t overcook the pasta. Overcooked shells tear easily during stuffing and baking. Test shells two minutes before the minimum cooking time.
Work with one shell at a time when filling. Patience prevents frustration and broken shells. If a shell tears, don’t discard it. Place it torn-side down in the baking dish.
Achieving Restaurant-Quality Alfredo Sauce
Use freshly grated Parmesan exclusively. Pre-grated cheese contains cellulose, which prevents smooth melting. The sauce may become grainy or separated.
Never let the sauce boil after adding cream. High heat causes the dairy proteins to separate. Maintain gentle heat throughout cooking.
Whisk constantly when adding cheese. This incorporates the cheese evenly and prevents clumping. Add cheese gradually rather than dumping it all at once.
Make sauce immediately before use. Alfredo sauce doesn’t hold well. If you must make it ahead, reheat gently over low heat while whisking. Add cream if needed to restore consistency.
Maximizing Flavor
Season each component separately. Season the filling, the sauce, and even the pasta cooking water. Layers of seasoning create depth.
Toast your Italian seasoning briefly in a dry pan before adding to the filling. This releases essential oils and intensifies flavors.
Add a squeeze of fresh lemon juice to the filling. The acidity brightens the rich, creamy flavors. Start with 1 teaspoon and adjust to taste.
Let filled shells sit at room temperature for 15 minutes before baking. This takes the chill off refrigerated ingredients, promoting even cooking.
Time-Saving Shortcuts
Purchase pre-cooked rotisserie chicken. This eliminates cooking and shredding steps. One rotisserie chicken yields approximately 3 cups of shredded meat.
Use jarred Alfredo sauce if time is limited. Enhance jarred sauce by adding fresh garlic, extra Parmesan, and a pinch of nutmeg.
Prepare components the day before. Cook and fill shells, then refrigerate. Make Alfredo sauce fresh before baking for best results.
Variations and Customizations
Vegetable Additions
Spinach Alfredo Shells: Add 1 cup of chopped, cooked spinach to the filling. Squeeze out excess moisture before mixing. Spinach adds color, nutrients, and earthy flavor.
Broccoli Chicken Shells: Fold 1½ cups of finely chopped, steamed broccoli into the filling. The broccoli adds texture and makes the dish more substantial.
Mushroom Medley: Sauté 8 ounces of sliced mushrooms with garlic. Mix into the filling or layer beneath shells. Mushrooms provide umami depth.
Sun-Dried Tomato Twist: Chop ½ cup of oil-packed sun-dried tomatoes. Mix into filling for tangy sweetness. The tomatoes cut through the richness beautifully.
Protein Variations
Shrimp Alfredo Shells: Replace chicken with 1 pound of cooked, chopped shrimp. Season shrimp with Old Bay or Cajun seasoning for extra flavor.
Turkey Alternative: Use cooked turkey breast instead of chicken. This makes an excellent post-Thanksgiving recipe. Turkey’s mild flavor works perfectly with Alfredo sauce.
Vegetarian Version: Omit chicken entirely. Double the cheese or add extra vegetables. Consider including white beans for protein and creaminess.
Cheese Combinations
Four-Cheese Blend: Use a combination of mozzarella, Parmesan, fontina, and Asiago. Each cheese contributes unique flavor and texture.
Provolone Addition: Replace some mozzarella with provolone. Provolone adds sharper, more complex flavor while maintaining stretchiness.
Cream Cheese Enhancement: Add 4 ounces of softened cream cheese to the filling. This creates extra creaminess and tang.
Sauce Variations
Garlic Parmesan Sauce: Double the garlic in the Alfredo sauce. Add ¼ teaspoon of garlic powder for extra punch.
Herbed Alfredo: Stir fresh chopped basil, parsley, or thyme into the finished sauce. Fresh herbs add brightness and visual appeal.
Light Alfredo Version: Substitute half the heavy cream with whole milk and add 2 tablespoons of flour to thicken. This reduces calories while maintaining creaminess.
Pink Sauce Shells: Add ½ cup of tomato sauce or marinara to the Alfredo sauce. This creates a rose-colored sauce with balanced acidity.
Serving Suggestions
Side Dishes
Simple Green Salad: Crisp romaine or mixed greens with a light vinaigrette balances the rich pasta. Add cherry tomatoes, cucumbers, and red onion. The acidity cuts through the cream sauce perfectly.
Garlic Bread: Classic pairing with any pasta dish. Brush sliced Italian bread with butter, garlic, and herbs. Toast until golden for satisfying crunch.
Roasted Vegetables: Brussels sprouts, asparagus, or green beans roasted with olive oil and garlic complement the creamy shells. The caramelized vegetables add textural contrast.
Caesar Salad: The tangy dressing and crunchy croutons pair excellently with Alfredo flavors. Both dishes share Italian-American heritage.
Steamed Broccoli: Simple steamed broccoli with lemon juice provides a healthy, light side. The cruciferous vegetable refreshes the palate between bites.
Presentation Ideas
Serve shells in individual ramekins for elegant dinner parties. Place 3-4 shells per ramekin with extra sauce. Garnish with fresh parsley and a sprinkle of Parmesan.
Use a shallow, wide bowl rather than a plate. This contains the sauce better and looks more sophisticated. The bowl showcases the shells beautifully.
Garnish with fresh herbs immediately before serving. Chopped parsley, basil, or chives add color and fresh flavor. A light dusting of Parmesan adds visual appeal.
Consider serving family-style. Present the entire baking dish at the table. This casual approach suits family dinners and potlucks perfectly.
Beverage Pairings
Serve with sparkling water infused with lemon or cucumber. The bubbles cleanse the palate between rich bites. This refreshing option complements without overwhelming.
Iced tea, either sweetened or unsweetened, works wonderfully. The tannins in tea cut through cream sauce effectively. Consider adding fresh mint for extra refreshment.
Italian sodas or cream sodas echo the Italian-American theme. These sweet beverages appeal to children and adults alike.
Fresh lemonade provides acidity that balances the richness. The citrus notes enhance the overall dining experience.
Storage and Reheating
Refrigerator Storage
Store leftovers in an airtight container within two hours of cooking. Properly stored shells last 3-4 days refrigerated. The Alfredo sauce may separate slightly during storage. This is normal and doesn’t affect safety or flavor.
Individual portion containers make reheating easier. Separate shells with parchment paper to prevent sticking. Include extra sauce in each container for moisture during reheating.
Freezing Instructions
Freeze unbaked assembled shells for best results. Prepare the dish completely, but don’t bake. Cover tightly with plastic wrap, then aluminum foil. Label with contents and date. Frozen unbaked shells last up to 3 months.
To bake from frozen, add 15-20 minutes to the covered baking time. Ensure the internal temperature reaches 165°F. The shells may release more liquid when baking from frozen.
Freezing baked shells works but affects texture slightly. The pasta becomes softer, and the sauce may separate. If freezing baked shells, undercook them slightly initially.
Thaw frozen shells overnight in the refrigerator for even heating. Never thaw at room temperature, as this promotes bacterial growth.
Reheating Methods
Oven Method: Preheat oven to 350°F. Place shells in an oven-safe dish. Add 2-3 tablespoons of milk or cream to prevent drying. Cover with foil. Heat for 15-20 minutes until warmed through. Remove foil for the last 5 minutes to recrisp the cheese topping.
Microwave Method: Place 2-3 shells in a microwave-safe dish. Add a splash of milk or cream. Cover loosely with a microwave-safe lid or paper towel. Heat on 50% power in 1-minute intervals, stirring between, until steaming hot. This typically takes 3-4 minutes total.
Stovetop Method: Place shells in a covered skillet with ¼ cup of cream or milk. Heat over medium-low heat, covered, for 10-15 minutes. Stir gently and add liquid as needed. This method works well for maintaining sauce consistency.
Avoid reheating multiple times. Only reheat the portion you’ll eat immediately. Each reheating cycle degrades texture and increases food safety risks.
Nutritional Information
Per serving (3 stuffed shells with sauce):
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Calories: 520-580
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Protein: 32-35g
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Total Fat: 28-32g
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Saturated Fat: 16-18g
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Carbohydrates: 35-38g
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Fiber: 2-3g
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Sugar: 3-4g
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Sodium: 650-750mg
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Calcium: 450-500mg
These values are approximate and vary based on specific ingredients and portion sizes. Using whole milk ricotta instead of part-skim increases fat and calories. Homemade Alfredo sauce contains more fat than light versions.
Making It Lighter
Reduce calories by using part-skim ricotta and mozzarella. This saves approximately 80-100 calories per serving. The texture changes slightly but remains satisfying.
Use a lighter Alfredo sauce made with milk and flour instead of heavy cream. This cuts fat significantly while maintaining creaminess.
Increase the vegetable content and reduce cheese slightly. Add spinach, mushrooms, or zucchini to boost volume without excessive calories.
Serve smaller portions with larger sides of vegetables or salad. This creates a balanced plate while enjoying the indulgent pasta.
Common Mistakes to Avoid
Overcooking the Shells
The most frequent error is cooking shells too long initially. Remember, shells continue cooking in the oven. Overcooked shells tear during stuffing and become mushy after baking. Cook shells al dente—they should be pliable but still firm.
Using Pre-Shredded Cheese
Pre-shredded cheese contains anti-caking agents that prevent smooth melting. The Alfredo sauce may become grainy or separated. Always grate cheese fresh from a block for optimal results. This small step significantly impacts texture.
Making Sauce Too Thick Initially
Alfredo sauce thickens as it cools and during baking. If the sauce is too thick when you pour it over shells, it won’t distribute evenly. The sauce should coat the back of a spoon but still flow easily. Add cream if needed to achieve proper consistency.
Skipping the Bottom Sauce Layer
Always spread sauce on the bottom of your baking dish first. This prevents shells from sticking and drying out. The bottom sauce layer also adds moisture and flavor throughout the dish.
Not Covering While Baking
Baking uncovered for the entire time dries out the shells and browns the cheese too quickly. Cover with foil for most of the baking time. Only uncover for the final 10-15 minutes to achieve golden, bubbly cheese.
Overfilling the Shells
While generous filling seems appealing, overstuffed shells burst during baking. The filling expands slightly with heat. Fill shells about three-quarters full for best results. This allows room for expansion while maximizing filling.
Serving Immediately After Baking
Let the dish rest 5-10 minutes after removing from the oven. This resting period allows the sauce to thicken and the shells to set. Cutting into the dish immediately results in runny sauce and falling-apart shells.
Frequently Asked Questions
Can I make Chicken Alfredo Stuffed Shells ahead of time?
Yes, this recipe is excellent for advance preparation. Assemble the entire dish up to 24 hours before baking. Cover tightly with plastic wrap and refrigerate. When ready to bake, remove from refrigerator 30 minutes before cooking. Add 5-10 minutes to the covered baking time since the dish starts cold. The flavors actually improve as ingredients meld together overnight.
What can I substitute for ricotta cheese?
Cottage cheese works as a ricotta substitute. Blend cottage cheese until smooth for better texture. The flavor is slightly tangier but still delicious. Mascarpone cheese creates an ultra-rich alternative. Mix mascarpone with a bit of sour cream to cut the richness. Greek yogurt mixed with cream cheese provides a lighter option with tangy flavor.
How do I prevent the Alfredo sauce from separating?
Temperature control is crucial. Never boil the sauce after adding cream. Keep heat at medium-low throughout cooking. Whisk constantly when adding cheese. Use freshly grated Parmesan rather than pre-grated. If sauce separates during storage, reheat gently while whisking vigorously. Add a splash of cream to help emulsify the sauce again.
Can I use a different type of pasta?
Manicotti tubes work perfectly as an alternative to jumbo shells. The filling and baking process remain identical. Large rigatoni can be stuffed with a piping bag for a twist. Cannelloni tubes are traditional in Italian cuisine for similar dishes. Avoid regular-sized pasta shells as they’re too small to hold adequate filling.
How many shells does this recipe make?
A 12-ounce box of jumbo shells contains approximately 35-40 shells. After cooking, you’ll have 28-32 usable shells. Some always break during cooking. This recipe yields enough filling and sauce for 24-28 stuffed shells, serving 6-8 people generously. Calculate 3-4 shells per adult serving.
Is this recipe suitable for meal prep?
Absolutely. Chicken Alfredo Stuffed Shells freeze beautifully. Portion into individual containers with 3-4 shells each. These make convenient grab-and-go lunches. Reheat directly from frozen in the microwave for quick meals. The recipe also holds well in the refrigerator for 3-4 days, making it perfect for weekly meal planning.
What’s the best way to reheat leftovers without drying them out?
Add moisture when reheating. Place shells in an oven-safe dish with 2-3 tablespoons of cream, milk, or even chicken broth. Cover tightly with foil. Reheat at 350°F for 15-20 minutes. For microwave reheating, always add a splash of liquid and cover loosely. Heat at 50% power in short intervals, checking frequently.
Conclusion
Chicken Alfredo Stuffed Shells deliver comfort food perfection in an elegant package. This recipe combines tender pasta, creamy filling, and rich Alfredo sauce into a memorable meal. The make-ahead friendly nature makes it practical for busy weeknights, while the impressive presentation suits special occasions.
Master this basic recipe, then explore endless variations. Add vegetables for nutrition, experiment with different cheeses, or create your own unique filling combinations. Each adaptation brings new flavors while maintaining the comforting essence that makes stuffed shells so beloved.
The key to success lies in proper pasta cooking, smooth Alfredo sauce, and careful assembly. Follow these guidelines, and you’ll create restaurant-quality results at home. Your family will request this dish repeatedly.
Ready to impress your family with this creamy, delicious dinner? Gather your ingredients and start creating these incredible Chicken Alfredo Stuffed Shells tonight.
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Chicken Alfredo Stuffed Shells
Description
Chicken Alfredo Stuffed Shells
Ingredients:
For the Filling:
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2 cups cooked chicken, shredded (rotisserie or baked chicken works great)
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1 ½ cups ricotta cheese
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1 cup mozzarella cheese, shredded
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½ cup Parmesan cheese, grated
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1 teaspoon garlic powder
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1 teaspoon Italian seasoning
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Salt and pepper, to taste
For the Sauce:
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2 cups heavy cream
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4 tablespoons unsalted butter
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2–3 garlic cloves, minced
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1 cup Parmesan cheese, grated
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½ teaspoon salt
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¼ teaspoon black pepper
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Optional: ½ teaspoon nutmeg for a subtle warmth
Other:
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12–14 jumbo pasta shells
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Fresh parsley, chopped (for garnish)
Instructions:
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Cook the pasta shells:
Boil jumbo pasta shells according to package instructions until al dente. Drain and rinse under cold water to prevent sticking. -
Prepare the Alfredo sauce:
In a medium saucepan, melt butter over medium heat. Add minced garlic and sauté for 1 minute.
Pour in heavy cream and bring to a gentle simmer. Stir in Parmesan cheese, salt, pepper, and nutmeg (if using) until smooth and creamy. Remove from heat. -
Make the filling:
In a large bowl, combine shredded chicken, ricotta, mozzarella, Parmesan, garlic powder, Italian seasoning, salt, and pepper. Mix until well combined. -
Stuff the shells:
Using a spoon, fill each cooked pasta shell with the chicken and cheese mixture. -
Assemble in a baking dish:
Preheat oven to 375°F (190°C). Spread a thin layer of Alfredo sauce on the bottom of a baking dish. Arrange the stuffed shells on top and pour the remaining Alfredo sauce over them. Sprinkle additional mozzarella and Parmesan on top if desired. -
Bake:
Cover with foil and bake for 25–30 minutes. Remove foil for the last 5 minutes to let the cheese brown slightly. -
Serve:
Garnish with fresh parsley and serve hot.