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Chicken Parmesan Casserole

A comforting, oven-baked pasta dish that blends tender chicken, savory tomato sauce, and melted cheese under a crisp, golden breadcrumb topping. This Italian-style casserole brings together familiar flavors in an easy-to-assemble, satisfying meal.
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Course: Main Course
Cuisine: Italian
Keyword: chicken parmesan casserole
Prep Time: 25 minutes
Cook Time: 25 minutes
Total Time: 50 minutes
Servings: 4

Ingredients

  • 1 tablespoon finely minced fresh parsley
  • 14½ ounces 1 can diced tomatoes, thoroughly drained (optional)
  • 2 tablespoons melted unsalted butter
  • cup Japanese-style panko breadcrumbs
  • ½ teaspoon dried Italian herb blend
  • 2 cups pre-cooked chicken either shredded or chopped
  • 8 ounces of dry pasta such as penne or rotini
  • ¼ cup grated Parmesan cheese
  • 24 ounces tomato-based pasta sauce or marinara divided
  • 1 cup shredded mozzarella cheese
  • ¼ teaspoon granulated garlic powder
  • 1 tablespoon chopped parsley for garnish

Instructions

  • Preheat the oven to 375°F (190°C) and lightly grease a 9-inch square or 2-quart baking dish.
  • In a small bowl, combine the melted butter with panko breadcrumbs, garlic powder, Parmesan cheese, and parsley to form the topping. Set this mixture aside.
  • Boil the pasta until just al dente, following the instructions on the package. Drain well.
  • In a large mixing bowl, combine the cooked pasta with 2 cups of the marinara sauce, the Italian seasoning blend, pre-cooked chicken, drained diced tomatoes (if using), and a tablespoon of chopped parsley. Stir to evenly coat all ingredients.
  • Transfer the pasta mixture into the prepared baking dish. Spoon the remaining sauce over the top surface.
  • Sprinkle the mozzarella cheese over the pasta, followed by the breadcrumb topping mixture.
  • Bake uncovered for 23–25 minutes, or until the topping turns a rich golden brown and the casserole is bubbling at the edges.
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Notes

  • For a heartier texture, use rotisserie chicken or roasted chicken breast.
  • The diced tomatoes add a bit of texture and moisture, but may be omitted if preferred.