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Chicken Pasta Casserole with Corn and Zucchini Recipe

This Chicken Pasta Casserole is one of those delicious and versatile summer pasta recipes that you can have for dinner or serve at a BBQ that everyone will love.
Prep Time20 mins
Cook Time20 mins
Total Time40 mins
Course: Main Course, Side Dish
Cuisine: American
Keyword: Chicken pasta casserole with corn and zucchini, Chicken pasta zucchini casserole, Summer pasta recipes, Zucchini recipe
Servings: 6
Calories: 503kcal


  • Large Skillet
  • 9x13-inch Baking Pan
  • Non-stick Cooking Spray
  • spatula


  • 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)
  • cups shredded Mozzarella cheese (divided)
  • 3 boneless, skinless chicken breasts (cooked and shredded, rotisserie chicken will work great)
  • 1 zucchini (diced into small pieces)
  • cups frozen corn
  • 1-2 cups fresh baby spinach
  • ¼ cup shredded parmesan cheese


  • Preheat oven to 350 degrees F. Spray a 9 x 13 inch baking dish with cooking spray and set aside.
  • Melt butter in a large skillet over medium-high heat. Add flour and stir to cook for about 1 minute.
  • Whisk in broth, milk, salt, pepper, garlic salt, and thyme and bring to a simmer, stirring constantly - making sure that you get all the lumps out and the sauce is smooth. Let cook for 5-10 minutes, stirring occasionally, until sauce has thickened.
  • Remove from skillet from heat and stir in cooked pasta, 1/2 cup of mozzarella, cooked chicken, zucchini, corn, and spinach torn into bite sized pieces.
  • Transfer chicken mixture to prepared dish. Top with remaining mozzarella and Parmesan cheese.
  • Bake, uncovered, until bubbly and heated through (about 20-25 minutes).


For this recipe we do tend to use fresh thyme as it works wonderfully, however if you do not have any, you can substitute it with ½ teaspoon of dried thyme instead. But, if you can get the fresh thyme I feel like it gives it even more flavor!


Calories: 503kcal | Carbohydrates: 53g | Protein: 30g | Fat: 19g | Saturated Fat: 11g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 0.3g | Cholesterol: 89mg | Sodium: 1413mg | Potassium: 659mg | Fiber: 3g | Sugar: 5g | Vitamin A: 1112IU | Vitamin C: 12mg | Calcium: 276mg | Iron: 2mg