Creamy Pesto Chicken Pasta Bake with Mozzarella and Parmesan

Imagine pulling a bubbling, golden-topped casserole from the oven, where creamy pesto mingles with tender chicken and melted cheese in every forkful. This Creamy Pesto Chicken Pasta Bake with Mozzarella and Parmesan transforms simple ingredients into a restaurant-quality meal that brings warmth and satisfaction to any dinner table.

The aromatic basil pesto creates a luscious sauce that coats each piece of pasta, while two types of cheese create an irresistible, gooey topping that turns beautifully golden in the oven. You’ll learn how to layer flavors expertly, master the perfect creamy consistency, and create a make-ahead dish your family will request again and again.

Table of Contents

Why You’ll Love This Recipe

This Creamy Pesto Chicken Pasta Bake with Mozzarella and Parmesan delivers everything you crave in comfort food without the fuss. The tender chunks of chicken provide satisfying protein, while the pesto cream sauce offers complex flavors without requiring a dozen ingredients. You’ll appreciate how the mozzarella creates those coveted cheese pulls, while Parmesan adds a sharp, nutty depth that balances the richness perfectly.

The texture contrasts make every bite exciting: crispy, golden cheese on top gives way to creamy, herb-infused pasta underneath, with juicy chicken pieces throughout. This dish works beautifully for busy weeknights since you can assemble it ahead, yet it’s impressive enough for weekend entertaining. The one-pan approach means minimal cleanup, and leftovers taste even better the next day as the flavors meld together. Whether you’re feeding picky eaters or adventurous food lovers, this pesto chicken pasta casserole wins everyone over.

Ingredients

For the Creamy Pesto Chicken Pasta Bake with Mozzarella and Parmesan, gather these simple ingredients that come together into something extraordinary:

Main Components:

• 1 lb. penne pasta or rigatoni (453g)
• 1.5 lbs. boneless, skinless chicken breasts, cut into 1-inch cubes (680g)
• 1 cup basil pesto, store-bought or homemade (240ml)
• 2 cups heavy cream (480ml)
• 2 cups shredded mozzarella cheese, divided (226g)
• 1 cup freshly grated Parmesan cheese, divided (100g)
• 3 cloves garlic, minced
• 2 tablespoons olive oil
• 1 teaspoon Italian seasoning
• Salt and black pepper to taste
• Fresh basil leaves for garnish

The heavy cream creates that signature velvety texture, while quality pesto forms the flavor foundation. Using freshly grated Parmesan rather than pre-grated ensures better melting and richer taste. Dividing the cheeses allows you to mix some into the sauce while reserving plenty for that gorgeous golden topping.

Pro Tips

Master the Pasta Cooking Time: Undercook your pasta by 2 minutes less than the package directions suggest. Since the pasta continues cooking in the oven, starting with slightly firm noodles prevents mushy results. This technique ensures your baked pesto pasta maintains the perfect al dente texture even after baking.

Season in Layers: Don’t wait until the end to add salt and pepper. Season the chicken as it cooks, taste the cream sauce before mixing, and adjust again before baking. Pesto already contains salt, so taste before adding more. This layered seasoning approach builds depth and prevents over-salting.

Control the Creaminess: If your sauce looks too thick when mixing, add reserved pasta water one tablespoon at a time. The starchy pasta water helps the sauce cling to the noodles better than regular water or milk. For a lighter version, substitute half the heavy cream with half-and-half, though the sauce will be slightly less rich.

Instructions

Step 1: Prepare and Cook the Pasta

Bring a large pot of salted water to a rolling boil. Add the penne pasta and cook for 2 minutes less than the package instructions indicate. This partial cooking is crucial since the pasta finishes cooking in the oven. Before draining, reserve 1 cup of the starchy pasta water. Drain the pasta and set aside while you prepare the other components.

Step 2: Cook the Seasoned Chicken

Preheat your oven to 375°F (190°C). While it heats, warm the olive oil in a large skillet over medium-high heat. Season the cubed chicken generously with salt, pepper, and Italian seasoning. Add the chicken to the hot skillet in a single layer, working in batches if necessary to avoid overcrowding. Cook for 6-7 minutes, turning occasionally, until the chicken develops golden edges and cooks through completely. The internal temperature should reach 165°F (74°C). Transfer the cooked chicken to a plate.

Step 3: Create the Creamy Pesto Sauce

In the same skillet, reduce heat to medium and add the minced garlic. Sauté for 30 seconds until fragrant but not browned. Pour in the heavy cream and bring to a gentle simmer. Stir in the basil pesto until fully incorporated, creating a beautiful green-tinted cream sauce. Add half of the mozzarella (1 cup) and half of the Parmesan (1/2 cup), stirring constantly until the cheeses melt completely into a smooth sauce. Taste and adjust seasoning as needed.

Step 4: Combine and Assemble

Add the cooked pasta and chicken to the creamy pesto sauce, folding gently to coat every piece. If the mixture seems tight or dry, add reserved pasta water 2 tablespoons at a time until you achieve a creamy consistency that loosely coats the pasta. Remember, the sauce thickens as it bakes. Transfer this mixture to a greased 9×13 inch baking dish, spreading it evenly.

Step 5: Top and Bake

Sprinkle the remaining mozzarella and Parmesan cheese evenly over the top of the pasta. For extra golden browning, you can add a drizzle of olive oil over the cheese. Place the dish in your preheated oven and bake for 25-30 minutes. The Creamy Pesto Chicken Pasta Bake with Mozzarella and Parmesan is ready when the cheese melts completely, turns golden brown in spots, and the edges bubble enthusiastically. For an extra crispy top, broil for the final 2-3 minutes, watching carefully to prevent burning.

Step 6: Rest and Serve

Remove the baking dish from the oven and let it rest for 5-10 minutes before serving. This resting period allows the sauce to thicken slightly and makes serving much easier. Garnish with fresh basil leaves torn by hand, and add extra Parmesan if desired.

Variations

Sun-Dried Tomato Version: Add 1/2 cup of chopped sun-dried tomatoes to the cream sauce for bursts of tangy sweetness that complement the pesto beautifully. This variation creates a more complex flavor profile and adds appealing red color throughout the dish.

Vegetarian Adaptation: Omit the chicken and add 2 cups of roasted vegetables such as zucchini, bell peppers, and cherry tomatoes. You can also include white beans for protein. This cheesy pesto pasta bake remains satisfying and hearty without meat.

Lighter Option: Replace half the heavy cream with low-fat milk or chicken broth, and use part-skim mozzarella. While less indulgent, this version still delivers the comforting flavors with fewer calories. Add extra garlic and a pinch of red pepper flakes to boost flavor without added richness.

Looking for inspiration? Try our Pineapple Chicken Kabobs for another bold dish that balances sweet and savory flavors beautifully.

Storage and Serving

Store leftover Creamy Pesto Chicken Pasta Bake with Mozzarella and Parmesan in an airtight container in the refrigerator for up to 4 days. The flavors actually deepen overnight, making leftovers especially delicious. Reheat individual portions in the microwave for 2-3 minutes, or cover the entire dish with foil and warm in a 350°F oven for 20 minutes until heated through.

For serving, pair this rich pasta bake with a crisp green salad dressed in lemon vinaigrette to cut through the creaminess. Garlic bread makes an excellent companion for soaking up extra sauce. A simple side of roasted asparagus or green beans adds color and freshness to the plate. This dish works wonderfully for potlucks since it travels well and maintains temperature in the baking dish. You can also freeze unbaked portions for up to 3 months, then thaw overnight in the refrigerator before baking as directed, adding 10 extra minutes to the baking time.

Frequently Asked Questions

Conclusion

This Creamy Pesto Chicken Pasta Bake with Mozzarella and Parmesan is comfort food at its finest. It combines the beloved flavors of basil pesto with the indulgence of melted cheese and tender chicken in a dish that feels like a warm hug on a plate. It’s the kind of dish that brings everyone to the table without complaint, satisfies the heartiest appetites, and still manages to deliver restaurant-quality results from your home kitchen.

The beauty lies not just in the incredible taste, but in how effortlessly it comes together and how flexibly it adapts to your schedule. Whether you’re meal prepping for the week, feeding unexpected guests, or simply craving something wonderfully comforting, this pasta bake delivers every single time. The golden, bubbly cheese top alone makes it worth the minimal effort, and that first forkful of creamy, pesto-coated pasta will convince you this recipe deserves a permanent spot in your dinner rotation.

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