Creamy Pesto Chicken Pasta with a Golden Mozzarella Crust

Creamy Pesto Chicken Pasta with a Golden Mozzarella Crust brings together browned chicken, chunky rigatoni, tender spinach, and a silky basil pesto sauce in one generous bowl. A light layer of mozzarella melts into the top with a few golden spots, while Parmesan and fresh herbs finish the pasta without hiding the chicken or greens.

The result is creamy without looking soupy and cheesy without turning into a heavy casserole. Searing the chicken first gives the dish the deep brown edges that stand out against the pale-green pesto sauce.

Why You’ll Love Creamy Pesto Chicken Pasta

This recipe has the comfort of creamy pasta while keeping the chicken and spinach visually distinct instead of burying everything under cheese.

• Browned chicken stays front and center, with caramelized edges and juicy centers.
• Rigatoni holds the thick pesto cream inside its ridges and tubes.
• Spinach adds plenty of green color and folds naturally through the sauce.
• Prepared basil pesto gives the sauce concentrated herb flavor without a long ingredient list.
• Mozzarella is used lightly so it melts into a few golden spots instead of becoming a thick crust.
• Parmesan and chopped herbs add a savory, fresh finish.

Ingredient Notes

The sauce should be pale green, creamy, and cling to the rigatoni. It should not be so thick that the pasta looks dry or so loose that sauce pools at the bottom of the bowl.

• Rigatoni pasta: The wide tubes and ridges hold the pesto sauce well and match the substantial chicken pieces.
• Chicken breast: Cut it into large 1-inch pieces so the browned surfaces remain obvious after the pasta is tossed.
• Baby spinach: Roughly chop it, but leave enough leaf shape intact to show visible wilted greens throughout the dish.
• Milk and cornstarch: This creates a lighter creamy base without needing heavy cream.
• Basil pesto: Prepared pesto provides the pale-green color and visible herb flecks.
• Mozzarella: Use freshly shredded part-skim mozzarella and keep the layer light. It should melt into the pasta with only scattered golden spots.
• Parmesan: Finely grated Parmesan adds a salty, savory finish to the pasta.
• Fresh basil or parsley: Use a small amount for fresh green flecks at serving.

How to Make Creamy Pesto Chicken Pasta with a Golden Mozzarella Crust

The key is to build color on the chicken before making the sauce. Once the sauce is ready, everything comes together quickly.

1. Cook the rigatoni until just al dente and reserve a little pasta water before draining.

2. Season the chicken and sear it in olive oil until deeply browned on multiple sides and cooked to 165°F.

3. Transfer the chicken out of the skillet so the browned surfaces stay intact.

4. Cook the garlic briefly, then wilt the spinach until tender but still green.

5. Whisk milk with cornstarch and simmer it in the skillet until lightly thickened.

6. Lower the heat before stirring in the pesto and part of the mozzarella.

7. Fold the rigatoni and chicken into the sauce, adding reserved pasta water only if needed.

8. Add the remaining mozzarella lightly over the surface and broil just until melted with a few golden spots.

9. Finish with finely grated Parmesan and chopped herbs.

Expert Cooking Tips

The dish works best when the chicken, spinach, and rigatoni keep their distinct textures.

• Dry the chicken before seasoning. Moist chicken steams and will not develop deep, flavorful seared patches.
• Do not crowd the skillet. If necessary, brown the chicken in two batches.
• Keep the spinach visibly leafy. Cooking it too long makes it disappear into the sauce.
• Add pesto over low heat. High heat can dull its fresh green color.
• Use only a light mozzarella layer so the pasta stays creamy rather than being covered by a solid cheese cap.
• Stop broiling as soon as a few golden areas appear.
• Add Parmesan after broiling so its salty, nutty flavor stays fresh.

Storing and Reheating Tips

Refrigerate leftovers in an airtight container for up to 4 days. The sauce thickens as it chills, so a little added liquid helps restore the original texture.

• Reheat individual portions gently in the microwave with a tablespoon of milk or water.
• For stovetop reheating, use low heat and stir frequently.
• Avoid aggressively boiling the leftovers because the pesto sauce can separate.
• Store extra Parmesan and fresh herbs separately and add them after reheating.
• Freezing is not ideal because creamy milk-based sauces can become grainy after thawing.

Variations and Substitutions

Keep the main balance intact: browned chicken, rigatoni, spinach, pale-green pesto cream, and a restrained cheese finish.

• Penne can replace rigatoni, although the finished bowl will look slightly less substantial.
• Chicken thighs can replace breast meat, but trim excess fat and keep the pieces chunky.
• Whole milk can replace 2% milk for a richer sauce.
• Baby kale can replace spinach, but it needs a few extra minutes to soften.
• Low-moisture mozzarella works if part-skim is unavailable.
• Pecorino Romano can replace Parmesan for a sharper finishing cheese.

What to Serve with Creamy Pesto Chicken Pasta

Because the pasta is already rich and filling, simple sides work best.

• A lemony green salad adds acidity and crunch.
• Roasted asparagus keeps the meal green and fresh.
• Steamed broccoli works well without competing with the pesto.
• Garlic bread is useful when you want something to catch the extra creamy sauce.
• A tomato-cucumber salad gives the plate a cool contrast.

FAQ

Why is my pesto sauce too thick?

Add reserved pasta water one tablespoon at a time until the sauce coats the rigatoni smoothly.

Why did my pesto turn dark?

The skillet was probably too hot when the pesto was added. Reduce the heat before stirring it into the milk sauce.

Can I skip the broiler?

Yes. Cover the skillet for a minute or two over low heat until the mozzarella melts. You will lose the small golden spots, but the pasta will still taste good.

Can I use pre-shredded mozzarella?

You can, but freshly shredded mozzarella melts more smoothly and integrates better with the creamy sauce.

How do I keep the chicken browned?

Sear it first, remove it from the skillet, and return it only after the sauce is finished. This prevents the browned surfaces from getting overcooked or breaking apart.

One Last Bite

Creamy Pesto Chicken Pasta with a Golden Mozzarella Crust is at its best when browned chicken, chunky rigatoni, green spinach, silky pesto cream, a restrained melted mozzarella finish, and a final dusting of Parmesan and herbs come together in every serving.

Creamy Pesto Chicken Pasta with a Golden Mozzarella Crust

Creamy Pesto Chicken Pasta with a Golden Mozzarella Crust combines browned chicken, rigatoni, wilted spinach, and a pale-green creamy basil pesto sauce with a light melted mozzarella finish and finely grated Parmesan.

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Prep Time 15 minutes mins

Cook Time 20 minutes mins

Total Time 35 minutes mins

Servings: 4

Course: Dinner, Lunch

Cuisine: Italian-American

Calories: 430

Ingredients Equipment Method Notes

Ingredients

  

Pasta and Chicken

• 6 ounces rigatoni pasta dry
• 1 pound chicken breasts boneless, skinless, cut into 1-inch pieces
• 1 teaspoon kosher salt divided
• 1/2 teaspoon black pepper freshly ground
• 1/2 teaspoon garlic powder for chicken
• 1 tablespoon olive oil for searing

Creamy Pesto Sauce

• 3 cloves garlic minced
• 4 ounces baby spinach roughly chopped
• 3/4 cup 2% milk cold
• 2 teaspoons cornstarch sauce thickener
• 1/4 cup basil pesto prepared
• 1/2 cup part-skim mozzarella cheese freshly shredded, divided
• 2 tablespoons Parmesan cheese finely grated, for finishing
• 2 tablespoons fresh basil or parsley finely chopped, for garnish

Equipment

• Large Pot
• Colander
• 12-Inch Oven-Safe Skillet
• Chef'S Knife
• Cutting board
• whisk
• Instant-Read Thermometer

Method

 

Cook the Pasta

1. Bring a large pot of salted water to a boil. Cook the rigatoni until just al dente according to package directions. Reserve 1/2 cup pasta water, then drain.

Sear the Chicken

1. Pat the chicken dry and season with 1/2 teaspoon kosher salt, black pepper, and garlic powder.
2. Heat the olive oil in a 12-inch oven-safe skillet over medium-high heat.
3. Add the chicken in a single layer and cook for 3 to 4 minutes without moving it, then turn and cook for another 3 to 4 minutes until browned and the center reaches 165°F. Transfer the chicken to a plate.

Make the Creamy Pesto Sauce

1. Lower the heat to medium. Add the garlic and cook for 30 seconds, stirring constantly.
2. Add the spinach and cook for 1 to 2 minutes, until wilted but still visibly green.
3. Whisk the cold milk and cornstarch together until smooth. Pour it into the skillet and simmer for 2 to 3 minutes, whisking, until lightly thickened.
4. Reduce the heat to low and stir in the basil pesto and 1/4 cup mozzarella until the sauce is smooth, creamy, and pale green. Add a splash of reserved pasta water if needed.

Finish the Pasta

1. Add the rigatoni and browned chicken back to the skillet. Fold gently until the pasta and chicken are coated while keeping visible pieces of spinach throughout.
2. Scatter the remaining 1/4 cup mozzarella lightly over the top. Broil for 1 to 2 minutes, just until the mozzarella melts and develops a few light golden spots without forming a heavy cheese blanket.
3. Finish with finely grated Parmesan and chopped basil or parsley. Serve immediately while the sauce is glossy and creamy.

Notes

The finished dish should remain a creamy pesto chicken pasta, not a heavy baked casserole. Use the mozzarella as a light finishing layer only, allowing the browned chicken, rigatoni, spinach, and pale-green pesto sauce to stay clearly visible. Refrigerate leftovers for up to 4 days. Reheat gently with a splash of milk or water to loosen the sauce.