Baked Pesto Chicken Mac & Cheese

Featured in: Warm Cozy Dinners

Succulent chicken pieces marinated in basil pesto, seared until golden, then folded into a velvety blend of sharp cheddar, mozzarella, and parmesan sauces. The entire casserole gets crowned with buttery panko crumbs and baked until bubbling and irresistibly crisp. Ready in one hour, this Italian-American hybrid serves six hungry diners and delivers the ultimate comfort food experience with its contrasting textures—tender pasta, juicy chicken, and that satisfying crunch on top.

Updated on Sun, 08 Feb 2026 13:49:00 GMT
Golden, bubbly Baked Pesto Chicken Mac & Cheese casserole fresh from the oven with crispy parmesan panko topping. Save to Pinterest
Golden, bubbly Baked Pesto Chicken Mac & Cheese casserole fresh from the oven with crispy parmesan panko topping. | maplefrost.com

Indulge in the ultimate comfort food fusion with this Baked Pesto Chicken Mac & Cheese. This recipe takes the classic, creamy goodness of a traditional macaroni casserole and elevates it with the vibrant, herbaceous notes of basil pesto and tender, pan-seared chicken. It is a hearty, Italian-American inspired dish that brings a sophisticated twist to a family favorite, perfect for cozy weeknight dinners or weekend gatherings.

Golden, bubbly Baked Pesto Chicken Mac & Cheese casserole fresh from the oven with crispy parmesan panko topping. Save to Pinterest
Golden, bubbly Baked Pesto Chicken Mac & Cheese casserole fresh from the oven with crispy parmesan panko topping. | maplefrost.com

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The secret to this dish lies in the layering of flavors—from the pesto-marinated chicken to the hint of nutmeg in the cheese sauce. Every bite is designed to be rich and satisfying, while the golden-brown crust provides that essential crunch that makes every baked pasta dish truly special.

Ingredients

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  • Pasta: 400 g (14 oz) elbow macaroni or short pasta
  • Chicken & Marinade: 2 large boneless, skinless chicken breasts (approx. 400 g), 3 tbsp basil pesto, 1 tbsp olive oil, 1/2 tsp salt, 1/4 tsp black pepper
  • Cheese Sauce: 3 tbsp unsalted butter, 3 tbsp all-purpose flour, 2 cups (480 ml) warmed whole milk, 1 cup (240 ml) heavy cream, 2 cups (200 g) shredded sharp cheddar, 1 cup (90 g) grated mozzarella, 1/2 cup (50 g) grated parmesan, 1/2 tsp garlic powder, 1/4 tsp ground nutmeg, salt and pepper to taste
  • Topping: 1 cup (100 g) panko breadcrumbs, 2 tbsp melted butter, 1/4 cup (25 g) grated parmesan, 2 tbsp basil pesto

Instructions

Step 1
Preheat your oven to 200°C (400°F) and grease a 23x33 cm (9x13-inch) baking dish.
Step 2
Boil the pasta in salted water for 2 minutes less than the package directions; drain and set aside.
Step 3
Butterfly the chicken, cut into bite-sized pieces, and toss with pesto, olive oil, salt, and pepper. Marinate for 10 minutes.
Step 4
Sear the chicken pieces in a large skillet over medium-high heat until just cooked through (5–6 minutes), then remove from heat.
Step 5
In a saucepan over medium heat, melt butter and whisk in flour for 1 minute. Gradually whisk in warmed milk and cream until thickened.
Step 6
Lower the heat and stir in cheddar, mozzarella, and parmesan until smooth. Season with garlic powder, nutmeg, salt, and pepper.
Step 7
In a large bowl, gently combine the cooked pasta, cheese sauce, and seared pesto chicken.
Step 8
Pour the mixture into the prepared baking dish.
Step 9
Mix the panko, melted butter, parmesan, and pesto in a small bowl and sprinkle evenly over the top.
Step 10
Bake for 20–25 minutes until the top is golden and the casserole is bubbling. Let rest for 5–10 minutes before serving.

Zusatztipps für die Zubereitung

For the best results, ensure you grease your 23x33 cm baking dish thoroughly to prevent sticking. Using warmed milk when preparing the cheese sauce helps it come together more quickly and prevents lumps, while cooking the pasta slightly under al dente ensures it doesn't become mushy during the baking process.

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Varianten und Anpassungen

You can easily customize this dish by substituting the chicken breasts with rotisserie chicken for a faster version—just toss it with pesto before adding to the pasta. For a different flavor profile, try swapping the sharp cheddar for smoked gouda or fontina to give the cheese blend a unique, gourmet twist.

Serviervorschläge

This rich and creamy casserole is best served alongside a crisp green salad to provide a fresh contrast to the savory cheeses. To elevate the meal, pair it with a glass of chilled Sauvignon Blanc, which complements the bright basil notes of the pesto.

A hearty serving of Baked Pesto Chicken Mac & Cheese on a plate, paired with a fresh green salad. Save to Pinterest
A hearty serving of Baked Pesto Chicken Mac & Cheese on a plate, paired with a fresh green salad. | maplefrost.com

Whether you are looking for a new family favorite or a reliable dish for entertaining, this Baked Pesto Chicken Mac & Cheese is sure to impress. With its golden, bubbly crust and flavorful interior, it is a comforting meal that feels truly special. Enjoy the perfect bite of cheesy pasta and aromatic pesto tonight!

Recipe FAQs

Can I make this ahead of time?

Absolutely. Assemble the entire casserole, cover tightly, and refrigerate up to 24 hours before baking. Add 5-10 minutes to the baking time if baking cold from the refrigerator.

What pasta shapes work best?

Elbow macaroni, cavatappi, shells, or penne capture the cheese sauce beautifully. Short pasta with curves or tubes holds onto the creamy sauce and pesto chicken pieces.

Can I use store-bought rotisserie chicken?

Yes, shred a rotisserie chicken and toss with the pesto marinade. Skip the searing step and fold directly into the cheese sauce. This cuts prep time significantly.

How do I store leftovers?

Store in an airtight container in the refrigerator for 3-4 days. Reheat covered with a splash of milk at 350°F until heated through, about 20 minutes.

Can I freeze this casserole?

Freeze before baking, wrapped tightly, for up to 3 months. Thaw overnight in the refrigerator, then bake as directed. The texture remains excellent after freezing.

What cheese substitutions work well?

Fontina, Gruyère, smoked gouda, or provolone can replace some or all of the cheddar. The mozzarella provides essential stretch, while parmesan adds salty depth.

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Baked Pesto Chicken Mac & Cheese

Creamy three-cheese pasta with pesto chicken and golden parmesan crumb topping

Prep time
25 minutes
Time to cook
35 minutes
Overall time
60 minutes
Created by Hannah Marlowe


Level Medium

Cuisine type Italian-American

Makes 6 Portions

Diet preferences None specified

What You’ll Need

Pasta

01 14 oz elbow macaroni or short pasta

Chicken & Marinade

01 2 large boneless, skinless chicken breasts (about 14 oz)
02 3 tablespoons basil pesto
03 1 tablespoon olive oil
04 1/2 teaspoon salt
05 1/4 teaspoon black pepper

Cheese Sauce

01 3 tablespoons unsalted butter
02 3 tablespoons all-purpose flour
03 2 cups whole milk, warmed
04 1 cup heavy cream
05 2 cups shredded sharp cheddar cheese
06 1 cup grated mozzarella cheese
07 1/2 cup grated parmesan cheese
08 1/2 teaspoon garlic powder
09 1/4 teaspoon ground nutmeg
10 Salt and pepper to taste

Topping

01 1 cup panko breadcrumbs
02 2 tablespoons melted butter
03 1/4 cup grated parmesan cheese
04 2 tablespoons basil pesto

Directions

Step 01

Prepare Baking Dish and Oven: Preheat oven to 400°F. Grease a 9x13-inch baking dish with butter or cooking spray.

Step 02

Cook Pasta Al Dente: Cook the pasta in salted boiling water for 2 minutes less than package instructions since it will finish cooking in the oven. Drain and set aside.

Step 03

Marinate Chicken: While pasta cooks, butterfly the chicken breasts and cut into bite-sized pieces. Toss with 3 tablespoons pesto, olive oil, salt, and pepper. Let marinate for 10 minutes.

Step 04

Sear Chicken: Heat a large skillet over medium-high heat. Sear the chicken pieces until just cooked through, approximately 5-6 minutes. Remove from heat.

Step 05

Create Cheese Sauce Base: Melt butter in a large saucepan over medium heat. Whisk in flour and cook for 1 minute until fragrant.

Step 06

Build Sauce Consistency: Gradually whisk in warmed milk and heavy cream. Stir constantly until the sauce thickens slightly, about 3-4 minutes.

Step 07

Incorporate Cheese: Lower heat and stir in cheddar, mozzarella, and parmesan cheeses until completely melted and smooth. Add garlic powder, nutmeg, salt, and pepper. Remove from heat.

Step 08

Combine Casserole Components: In a large bowl, combine the cooked pasta, cheese sauce, and pesto chicken. Mix gently to distribute evenly without breaking up ingredients.

Step 09

Assemble in Baking Dish: Pour the pasta mixture into the prepared baking dish, spreading it into an even layer.

Step 10

Prepare and Apply Topping: In a small bowl, combine panko breadcrumbs, melted butter, parmesan cheese, and pesto. Sprinkle the mixture evenly over the casserole surface.

Step 11

Bake and Rest: Bake for 20-25 minutes until the topping is golden brown and the casserole is bubbling at the edges. Remove from oven and let rest for 5-10 minutes before serving.

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Equipment you’ll need

  • Large pot for pasta cooking
  • Large skillet for searing chicken
  • Saucepan for cheese sauce preparation
  • Whisk for sauce emulsification
  • 9x13-inch baking dish
  • Mixing bowls for combining ingredients

Allergy details

Be sure to review ingredient lists for allergens and reach out to your healthcare provider if uncertain.
  • Contains wheat gluten from pasta and breadcrumbs
  • Contains dairy from milk, cream, and multiple cheeses
  • Contains poultry from chicken breasts
  • May contain tree nuts from basil pesto
  • May contain eggs in pasta and breadcrumbs

Nutrition info (per portion)

All nutrition info is just for reference and can’t replace professional medical guidance.
  • Energy: 670
  • Total fat: 36 grams
  • Carbohydrates: 49 grams
  • Proteins: 39 grams

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