Pesto Chicken Pasta Bake With Melted Mozzarella

This is the kind of dish you make when you want something cozy but still bright and fresh. Tender chicken, al dente pasta, and vibrant basil pesto get tucked under a golden blanket of melted mozzarella. It’s weeknight-friendly, yet it feels special enough for company.

The best part is how flexible it is—use a store-bought pesto or your favorite homemade version, and play with add-ins based on what you have. By the time it hits the table, it smells like an Italian kitchen and tastes even better.

Why This Recipe Works

• Balanced flavors: Pesto brings herbaceous freshness, while mozzarella adds creaminess and stretch. Chicken provides lean protein, and pasta ties it all together.
• Right textures: Par-cooking the pasta keeps it from turning mushy in the oven, so you get a saucy, cohesive bake with a tender bite.
• Moist, flavorful chicken: Searing the chicken first locks in juices and builds browned bits that deepen flavor throughout the dish.
• Quick assembly: Most of the work happens on the stovetop.The oven simply melts the cheese and brings everything together.
• Make-ahead friendly: You can assemble the bake in advance and pop it in the oven when you’re ready.

What You’ll Need

• Pasta: 12 ounces short pasta (penne, rigatoni, or fusilli)
• Chicken: 1.25–1.5 pounds boneless, skinless chicken breasts or thighs, cut into bite-size pieces
• Pesto: 3/4 to 1 cup basil pesto (store-bought or homemade)
• Mozzarella: 8 ounces fresh mozzarella, sliced, or 2 cups shredded low-moisture mozzarella
• Creaminess booster (optional but great): 1/2 cup heavy cream or half-and-half
• Broth: 1/2 cup low-sodium chicken broth (or pasta cooking water)
• Aromatics: 3 cloves garlic, minced; 1 small yellow onion, diced (optional)
• Cheesy lift: 1/4 cup grated Parmesan or Pecorino Romano
• Veg boost (optional): 1–2 cups baby spinach, halved cherry tomatoes, or steamed broccoli florets
• Oil and seasoning: 2 tablespoons olive oil, kosher salt, black pepper, red pepper flakes (optional)
• Finishing touches: Fresh basil, lemon zest, or a squeeze of lemon juice

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Step-by-Step Instructions

1. Prep and preheat: Heat the oven to 400°F (200°C). Lightly oil a 9×13-inch baking dish or similar casserole.
2. Cook the pasta: Boil the pasta in generously salted water until just shy of al dente, about 1–2 minutes less than package directions. Reserve 1 cup of pasta water, then drain.
3. Season the chicken: Pat chicken dry.Season with 1 teaspoon salt, 1/2 teaspoon black pepper, and a pinch of red pepper flakes if you like heat.
4. Brown the chicken: Heat 1 tablespoon olive oil in a large skillet over medium-high. Sear chicken in batches without crowding, 3–4 minutes per side, until lightly golden and nearly cooked through. Transfer to a plate.
5. Sauté aromatics: Lower heat to medium.Add the remaining 1 tablespoon olive oil. Sauté onion until translucent, 3–4 minutes. Stir in garlic for 30 seconds until fragrant.Avoid burning.
6. Build the sauce: Stir in the broth and scrape up browned bits. Reduce slightly, 1–2 minutes. Off heat, whisk in the pesto and cream (if using).Taste and adjust salt and pepper. For a looser sauce, splash in pasta water.
7. Combine: Add the drained pasta, chicken, and any veg to the skillet. Toss gently to coat.Sprinkle in Parmesan and a little lemon zest if you like brightness.
8. Assemble the bake: Spread the mixture in the baking dish. Top evenly with mozzarella. If using fresh mozzarella, tear into pieces for better coverage.
9. Bake: Bake uncovered for 12–15 minutes, until the cheese is melted and bubbling.For a golden top, broil 1–2 minutes, watching closely.
10. Finish and serve: Rest 5 minutes. Garnish with fresh basil or a squeeze of lemon juice. Serve warm.

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Storage Instructions

• Refrigerator: Cool completely.Store in an airtight container for up to 4 days.
• Freezer: Freeze in a freezer-safe dish for up to 2 months. For best texture, use low-moisture mozzarella if planning to freeze.
• Reheating: For single portions, microwave in 45-second bursts, stirring between intervals. For a full dish, cover with foil and warm in a 325°F (165°C) oven for 20–25 minutes.Add a splash of water or broth if it seems dry.

Why This Is Good for You

• Lean protein: Chicken supports muscle repair and keeps you satisfied.
• Healthy fats: Olive oil and nuts from pesto offer heart-friendly fats that help absorb fat-soluble vitamins.
• Herbs and greens: Basil and optional spinach bring antioxidants and vitamins A and K.
• Balanced plate: Protein, carbs, and fats create a filling, well-rounded meal. Add a side salad or roasted veggies for extra fiber.

Common Mistakes to Avoid

• Overcooking pasta: Remember it will cook more in the oven. Stop at just shy of al dente.
• Skimping on seasoning: Pesto is flavorful, but you still need salt and pepper to balance the sauce and the pasta water should be well salted.
• Watery bake: Don’t add too much liquid.Start with the amounts listed, then thin only if needed with a bit of pasta water.
• Burning garlic: Keep the heat moderate. Burnt garlic turns bitter and can overpower the dish.
• Overcrowding the pan: Sear chicken in batches to get color and better flavor.

Alternatives

• Protein swaps: Try cooked Italian sausage, rotisserie chicken, or shrimp (add shrimp just before baking to prevent overcooking).
• Vegetarian version: Use canned chickpeas, cannellini beans, or roasted cauliflower instead of chicken. Add extra spinach or zucchini for volume.
• Dairy-free: Use dairy-free pesto and mozzarella-style shreds, and swap cream for unsweetened oat cream or coconut milk (light).
• Gluten-free: Choose gluten-free pasta and confirm your pesto is GF.Watch the bake time—GF pasta can soften more quickly.
• Pesto twists: Swap basil pesto for arugula-walnut, spinach-almond, or sun-dried tomato pesto for a different vibe.
• Extra veggies: Stir in roasted cherry tomatoes, sautéed mushrooms, or steamed asparagus tips.

FAQ’s

Can I use rotisserie chicken?

Yes. Shred about 3 cups of rotisserie chicken and skip the searing step. Add it when you combine the pasta with the sauce so it warms gently without drying out.

Do I have to use cream?

No.

The bake is still delicious with just pesto and a bit of pasta water or broth. Cream simply softens the pesto’s intensity and adds a silkier texture.

Which pasta shape works best?

Short, ridged shapes like penne, rigatoni, or fusilli hold the sauce well and bake evenly. Avoid delicate long pastas, which can clump in a casserole.

Is fresh mozzarella better than shredded?

They’re different, not better or worse.

Fresh mozzarella melts into creamy puddles and feels luxurious. Low-moisture shredded mozzarella browns more and gives that classic stretchy pull.

Can I make this ahead?

Yes. Assemble up to a day in advance, cover, and refrigerate.

When baking from cold, add 5–10 extra minutes and cover with foil for the first 10 minutes to heat through evenly.

How do I prevent the top from drying out?

Make sure the pasta is well coated in sauce before topping with cheese. If baking longer, loosely tent with foil, then remove the foil at the end to brown.

What if my pesto tastes too strong?

Stir in a splash of cream or a spoonful of ricotta, and add a squeeze of lemon. Both mellow the flavor and brighten the overall dish.

Can I add tomatoes?

Absolutely.

Halved cherry tomatoes add sweetness and acidity. Stir them in with the pasta, or scatter on top under the cheese.

What’s the best way to reheat leftovers?

For best texture, reheat covered in the oven at 325°F (165°C) with a splash of water or broth. Microwave works too—pause and stir to distribute heat and keep it from drying out.

How salty should the pasta water be?

It should taste like the sea.

Salting the water is your first chance to season the pasta itself, which makes the whole dish taste better without adding excess salt later.

In Conclusion

Pesto Chicken Pasta Bake with Melted Mozzarella is a simple, satisfying dinner that brings together freshness and comfort in one pan. With smart steps—like undercooking the pasta and searing the chicken—you get great texture and big flavor without extra fuss. Keep it classic or make it your own with veggies, different pestos, or dairy-free swaps.

Either way, it’s a crowd-pleaser you can count on any night of the week.

Pesto Chicken Pasta Bake With Melted Mozzarella – Comforting, Fresh, and Easy

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 30 minutes mins

Total Time 45 minutes mins

Servings 4 servings

Ingredients

  

• Pasta: 12 ounces short pasta (penne, rigatoni, or fusilli)
• Chicken: 1.25–1.5 pounds boneless, skinless chicken breasts or thighs, cut into bite-size pieces
• Pesto: 3/4 to 1 cup basil pesto (store-bought or homemade)
• Mozzarella: 8 ounces fresh mozzarella, sliced, or 2 cups shredded low-moisture mozzarella
• Creaminess booster (optional but great): 1/2 cup heavy cream or half-and-half
• Broth: 1/2 cup low-sodium chicken broth (or pasta cooking water)
• Aromatics: 3 cloves garlic, minced; 1 small yellow onion, diced (optional)
• Cheesy lift: 1/4 cup grated Parmesan or Pecorino Romano
• Veg boost (optional): 1–2 cups baby spinach, halved cherry tomatoes, or steamed broccoli florets
• Oil and seasoning: 2 tablespoons olive oil, kosher salt, black pepper, red pepper flakes (optional)
• Finishing touches: Fresh basil, lemon zest, or a squeeze of lemon juice

Instructions

 

• Prep and preheat: Heat the oven to 400°F (200°C). Lightly oil a 9x13-inch baking dish or similar casserole.
• Cook the pasta: Boil the pasta in generously salted water until just shy of al dente, about 1–2 minutes less than package directions. Reserve 1 cup of pasta water, then drain.
• Season the chicken: Pat chicken dry. Season with 1 teaspoon salt, 1/2 teaspoon black pepper, and a pinch of red pepper flakes if you like heat.
• Brown the chicken: Heat 1 tablespoon olive oil in a large skillet over medium-high. Sear chicken in batches without crowding, 3–4 minutes per side, until lightly golden and nearly cooked through. Transfer to a plate.
• Sauté aromatics: Lower heat to medium. Add the remaining 1 tablespoon olive oil. Sauté onion until translucent, 3–4 minutes. Stir in garlic for 30 seconds until fragrant. Avoid burning.
• Build the sauce: Stir in the broth and scrape up browned bits. Reduce slightly, 1–2 minutes. Off heat, whisk in the pesto and cream (if using). Taste and adjust salt and pepper. For a looser sauce, splash in pasta water.
• Combine: Add the drained pasta, chicken, and any veg to the skillet. Toss gently to coat. Sprinkle in Parmesan and a little lemon zest if you like brightness.
• Assemble the bake: Spread the mixture in the baking dish. Top evenly with mozzarella. If using fresh mozzarella, tear into pieces for better coverage.
• Bake: Bake uncovered for 12–15 minutes, until the cheese is melted and bubbling. For a golden top, broil 1–2 minutes, watching closely.
• Finish and serve: Rest 5 minutes. Garnish with fresh basil or a squeeze of lemon juice. Serve warm.