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A warm Cheesy Mozzarella Chicken Casserole baking in a dish.

Cheesy Mozzarella Chicken and Pasta Casserole

This comforting casserole features tender chicken, al dente pasta, and rich marinara sauce, all baked to perfection under a blanket of gooey mozzarella and Parmesan cheese.
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Prep Time 15 minutes
Cook Time 50 minutes
Total Time 1 hour 5 minutes
Servings 6 people
Calories 450 kcal

Equipment

  • 9x13 inch baking dish
  • large pot
  • skillet (if cooking raw chicken)
  • aluminum foil

Ingredients
  

Main Ingredients

  • 2 cups cooked chicken shredded or diced
  • 24 oz jar marinara sauce
  • 1 cup uncooked pasta penne, ziti, or rotini
  • 2 cups shredded mozzarella cheese 8 oz, divided
  • 1/2 cup grated Parmesan cheese divided
  • 1/4 cup fresh basil chopped (for garnish, optional)
  • 1 tbsp olive oil if cooking raw chicken
  • Salt and black pepper to taste
  • 1 tsp garlic powder optional

Instructions
 

Preparation

  • Preheat your oven to 375°F (190°C) and lightly grease a 9x13 inch baking dish.
  • Cook the pasta according to package directions until al dente, then drain it well.
  • If using raw chicken, sauté it in a pan with olive oil until cooked through, seasoning with salt, pepper, and garlic powder.

Assembling the Casserole

  • Spread 1/2 cup of marinara sauce evenly over the bottom of the prepared baking dish.
  • Distribute the cooked chicken over the sauce, followed by the cooked pasta.
  • Pour the remaining marinara sauce over the chicken and pasta, ensuring it's evenly covered.
  • Sprinkle 1.5 cups of shredded mozzarella cheese and half of the Parmesan cheese over the sauce.

Baking

  • Cover the dish loosely with aluminum foil and bake for 20 minutes.
  • Remove the foil, then sprinkle the remaining mozzarella and Parmesan cheese over the top and return to the oven.
  • Bake uncovered for another 10-15 minutes, or until the cheese is melted, bubbly, and lightly golden. Broil briefly for 1-2 minutes for a crispier top, if desired.
  • Let the casserole rest for 5-10 minutes before serving, and garnish with fresh basil if desired.

Notes

For best results, use a good quality marinara sauce. Adjust seasoning to your preference. Leftovers can be stored in an airtight container in the refrigerator for up to 3 days and reheated in the oven or microwave.