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Creamy chicken pasta casserole with corn and zucchini in a white bowl, topped with Parmesan cheese

Chicken Pasta Casserole with Corn and Zucchini: A Comforting Delight

A comforting and delightful chicken pasta casserole packed with corn, zucchini, and spinach, all bound together in a creamy sauce and topped with melted cheese. This easy-to-make dish is perfect for a weeknight meal or a potluck gathering.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Dinner, Lunch
Cuisine American
Servings 6 servings

Equipment

  • large skillet
  • 9x13-inch baking dish
  • Nonstick cooking spray
  • spatula

Ingredients
  

  • ¼ cup butter
  • cup all-purpose flour
  • 3 cups chicken broth
  • 1 cup milk
  • 1 teaspoon salt
  • ½ teaspoon pepper
  • ½ teaspoon garlic salt
  • 2 teaspoons fresh thyme, minced or 1/2 teaspoon dried thyme
  • 8 ounces penne pasta, cooked and drained
  • 1 ½ cups shredded Mozzarella cheese, divided
  • 1 zucchini, diced into small pieces
  • 1 ½ cups frozen corn
  • 1-2 cups fresh baby spinach, chopped or torn
  • ¼ cup Parmesan cheese

Instructions
 

  • Preheat your oven to 350°F and grease a 9x13 inch baking dish.
  • Cook penne pasta according to package directions and drain. Prepare chicken by cooking and shredding 3 boneless, skinless breasts or using rotisserie chicken.
  • In a large skillet, melt butter over medium-high heat. Add flour and stir for 1 minute.
  • Whisk in chicken broth, milk, salt, pepper, garlic salt, and thyme. Bring to a simmer, stirring constantly to ensure the sauce is smooth.
  • Reduce heat and simmer for 5-10 minutes, stirring occasionally, until sauce thickens. Remove from heat.
  • Stir in cooked pasta, ½ cup mozzarella, chicken, diced zucchini, corn, and spinach.
  • Transfer mixture to the prepared baking dish. Top with remaining mozzarella and Parmesan cheese.
  • Bake uncovered for 20-25 minutes until heated through and bubbly.

Notes

  • Fresh thyme can be substituted with ½ teaspoon dried thyme. Chicken can be pre-cooked or rotisserie chicken. Spinach should be chopped or torn into bite-sized pieces. Zucchini should be diced into small pieces. Dish is suitable for leftovers.

Other Details

  • Oven Temperature: 350°F. Baking Time: 20-25 minutes.

Notes

This casserole is delicious served with Texas Roadhouse Rolls, Brussels Sprouts, Fruit Salad, Honey Glazed Carrots, or Oven Roasted Green Beans.
Keyword chicken pasta casserole, corn zucchini recipe, creamy chicken pasta, easy casserole