
An easy weeknight casserole that combines uncooked pasta, marinara, diced chicken, and a crunchy cheesy topping — all baked in one dish for minimal fuss and maximum flavor.

When I first tested the recipe, I added a pinch of crushed red pepper and a teaspoon of garlic powder, and it elevated the whole dish. Family members asked for it at the next gathering, and the method has saved dinner dozens of times since. It feels like a shortcut but tastes like a carefully planned meal.
My favorite part of this method is how forgiving it is: if the pasta looks slightly underdone at the 30-minute mark, the extra 10 to 15 minutes with the cheese on top finishes it perfectly. It has saved many nights when I needed comfort food without a lot of prep time, and guests always comment on the crunchy, cheesy top paired with tender pasta underneath.
Cool leftovers completely before refrigerating to maintain texture and food safety. Store in an airtight container or cover the casserole dish tightly with plastic wrap; it will keep in the refrigerator for 3 to 4 days. For freezing, portion into individual airtight containers or wrap the whole dish in double layers of aluminum foil and plastic; it will keep up to 3 months. To reheat, thaw overnight in the fridge if frozen, then warm in a 350 degrees Fahrenheit oven until heated through, about 15 to 25 minutes, covered to prevent the top from burning. Add a splash of marinara if the mixture seems dry.
If you need gluten-free, substitute a 16-ounce package of gluten-free penne and use gluten-free breadcrumbs or crushed cornflakes for the topping. For dairy-free options, swap mozzarella for a dairy-free shredded blend and omit the Parmesan or use a vegan Parmesan alternative. Replace chicken with 1 1/2 pounds of diced cooked sausage or roasted vegetables for a vegetarian twist; if using pre-cooked proteins, reduce the initial bake time to avoid overcooking. You can also switch marinara to a chunky tomato basil sauce for added texture.
Serve this casserole with a crisp green salad dressed in lemon vinaigrette to cut through the richness, and warm garlic bread or simple roasted vegetables. A glass of medium-bodied red wine pairs nicely, while a sparkling water with lemon refreshes the palate for family meals. Garnish with fresh basil leaves or chopped parsley and a light dusting of extra Parmesan for a restaurant-style finish.
This one-dish approach draws inspiration from Italian-American comfort classics like chicken parmesan and baked pasta casseroles. While traditional Italian cooking often separates elements, Americans adapted those flavors into layered and baked formats perfect for family dining, combining pasta, tomato sauce, proteins, and cheeses into casseroles that travel well and satisfy crowds. The Panko topping adds a contemporary crunch that plays up texture contrasts in home cooking.
In summer, stir in roasted tomatoes, zucchini, or summer squash after the initial bake for a seasonal boost. For winter comfort, add wilted spinach and roasted red peppers or swap Italian seasoning for a warm pinch of smoked paprika and oregano. Holiday variations can include chopped cooked ham and a sprinkle of nutmeg in the sauce for an unexpected twist.
Assemble the casserole a day ahead and refrigerate covered; when ready to serve, bring it to room temperature for 20 minutes and bake according to directions, adding 5 to 10 minutes if still cold. For individual portions, divide into ovenproof ramekins and bake the same way — these are perfect for packed lunches or single-family servings. Label and date frozen portions, and reheat gently to maintain a tender chicken texture.
There is a simple joy in serving a bubbling casserole that looks like effort but feels effortless to make. Share it with family, tweak it as you like, and make it your own — this Dump-and-Bake Chicken Parmesan Casserole is one of those dependable recipes that keeps dinner delicious and uncomplicated.
Cut the chicken into uniform bite-sized pieces so it cooks evenly in the baking time.
If the top browns too quickly, tent loosely with foil during the final bake to prevent burning.
Use a thermometer to ensure chicken reaches 165 degrees Fahrenheit for safety and juiciness.
For extra flavor, season the diced chicken with a little salt, pepper, and garlic powder before mixing into the pasta.
This nourishing dump-and-bake chicken parmesan casserole recipe is sure to be a staple in your kitchen. Enjoy every moist, high protein slice — it is perfect for breakfast or as a wholesome snack any time.
This Dump-and-Bake Chicken Parmesan Casserole recipe makes perfectly juicy, tender, and flavorful steak every time! Serve with potatoes and a side salad for an unforgettable dinner in under 30 minutes.

Preheat the oven to 425 degrees Fahrenheit. Lightly grease a 13-by-9-inch baking dish with nonstick spray or a thin coat of olive oil so the casserole does not stick.
In the baking dish or a large bowl, combine 16 ounces uncooked penne, 3 cups marinara sauce, 3 cups water, 1 teaspoon salt, and ground black pepper. Stir in 1 1/2 pounds diced raw chicken so the pieces are evenly distributed. Optionally add garlic powder, onion powder, and Italian seasoning for extra flavor.
Cover the dish tightly with aluminum foil to trap steam and moisture. Bake at 425 degrees Fahrenheit for 30 minutes to allow the pasta to hydrate and the chicken to begin cooking.
Remove the foil and stir the mixture. Evenly top with shredded mozzarella, then mix 1 cup Panko breadcrumbs with 1/2 cup grated Parmesan and sprinkle over the cheese to create a crunchy crust.
Return the dish to the oven uncovered and bake an additional 10 to 15 minutes, or until cheese is melted and the top is golden and the chicken reaches 165 degrees Fahrenheit. Broil 1 to 2 minutes if extra browning is desired.
Let the casserole rest for 5 minutes before serving to allow the sauce to thicken slightly. Garnish with fresh basil or parsley and serve hot.
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This recipe looks amazing! Can't wait to try it.
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