Easy Chicken Parmesan Casserole is a delightful dish that transports you straight to the heart of comfort food. This hearty casserole is not only rich and cheesy but also packed with succulent chicken and aromatic marinara sauce. The combination of tender pasta, melted mozzarella, and crispy breadcrumbs creates a dish that is sure to please the whole family. It’s perfect for busy weeknights when you seek a fulfilling meal that requires minimal effort. Follow this easy, step-by-step recipe to create your own Easy Chicken Parmesan Casserole and discover your new go-to favorite!
Ingredients
To make your Easy Chicken Parmesan Casserole, you will need the following ingredients:
- 12 ounces penne pasta: Approx. 4 cups dry pasta, cooked according to package directions and drained. The perfect base for this casserole, offering a chewy texture that holds the sauce beautifully.
- 2 cups cooked shredded or cubed chicken: Juicy and tender chicken that adds richness and protein to the dish, making it a comforting option.
- 1 (24 ounce) jar marinara sauce: A rich and flavorful sauce, which serves as the heart of this recipe, infusing it with a zesty tomato flavor.
- 1 (14.5 ounce) can diced tomatoes: Undrained, these tomatoes add freshness and moisture, complementing the sauce and giving you lovely chunks of flavor.
- 2 cups shredded mozzarella cheese: Creamy and gooey when melted, mozzarella provides a delightful stretch that makes every bite irresistible.
- 1 cup grated Parmesan cheese: The salty, nutty flavor of Parmesan elevates the entire casserole, creating an indulgent flavor profile.
- 2 teaspoons Italian seasoning: A fragrant blend of herbs that imbues the dish with an aromatic touch reminiscent of Italian kitchens.
- ½ teaspoon black pepper: Adds a subtle heat that rounds out the flavors.
- ¼ cup panko breadcrumbs: These crispy breadcrumbs add the finishing touch, offering a satisfying crunch on top of the gooey goodness below.
- 2 tablespoons chopped fresh parsley and/or basil (optional garnish): Fresh herbs provide a pop of color and freshness, brightening up the dish and adding a layer of flavor.
Step-by-Step Directions
To craft your Easy Chicken Parmesan Casserole, start by preheating your oven to 350 degrees F. Grease a 9×13 baking dish with cooking spray to ensure your delicious creation doesn’t stick.
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In a large bowl, combine the cooked pasta, shredded chicken, 2 cups of marinara sauce, undrained diced tomatoes, 1 cup mozzarella cheese, ½ cup Parmesan cheese, Italian seasoning, and black pepper. Stir everything together until well combined—this mixture will become the flavorful core of your casserole.
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Spoon the mixture into your prepared baking dish, spreading it evenly. Now, take the remaining 1 cup of marinara sauce and gently spoon it over the top, using the back of a spoon to spread it as evenly as possible.
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Cover the dish tightly with aluminum foil to keep the moisture in while it bakes. Place the casserole in the preheated oven and bake for 30 minutes.
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After 30 minutes, carefully remove the dish from the oven and take off the foil. Sprinkle the remaining 1 cup of mozzarella cheese, the rest of the Parmesan cheese, and the panko breadcrumbs evenly on top.
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Return the dish to the oven and bake uncovered for an additional 10 minutes, or until the cheese is melted and bubbly, and the breadcrumbs are golden brown.
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Once the casserole is done, feel free to garnish with freshly chopped parsley or basil if desired. This adds a lovely color and a fresh burst of flavor.
Tips & Tricks
- For an extra flavor boost, consider marinating the chicken in Italian dressing or spices before cooking.
- Use leftover rotisserie chicken to save time and add flavor.
- Feel free to substitute penne pasta with your favorite pasta shape for a delightful twist.
- If you like it spicy, add red pepper flakes to the mixture for a kick.
- Let the casserole sit for a few minutes after baking; this allows it to set and makes serving easier.
Serving Suggestions & Pairings
This Easy Chicken Parmesan Casserole makes a fantastic main dish for any occasion. Pair it with a light garden salad tossed in a vinaigrette for a refreshing contrast. Garlic bread or crusty bread is perfect for soaking up the sauce, while a glass of sparkling water infused with lemon offers a nice palate cleanse. This casserole is ideal for family gatherings, potlucks, or a cozy weeknight dinner.
Nutritional Information
Per serving (1/8 of the casserole):
- Calories: Approx. 450
- Protein: 35g
- Fat: 18g
- Carbohydrates: 42g
- Fiber: 3g
- Sugars: 4g
This dish offers a hearty balance of protein and carbohydrates, perfect for a family meal. Remember to enjoy it as part of a balanced diet, complemented with plenty of vegetables or a side salad.
Storing Tips & Variations
To store your Easy Chicken Parmesan Casserole, let it cool completely, cover it tightly with plastic wrap or aluminum foil, and refrigerate for up to 3 days. You can also freeze leftovers for up to 2 months—simply thaw in the refrigerator overnight before reheating.
For variations, try adding vegetables like spinach, bell peppers, or zucchini to the mix for extra nutrition. You can also replace the chicken with turkey or cooked sausage for a different flavor profile. For a vegetarian option, substitute the chicken with sautéed mushrooms or chickpeas.
Conclusion
Now that you have the perfect recipe for Easy Chicken Parmesan Casserole, it’s time to gather your ingredients and embark on this culinary adventure! We guarantee that this dish will become a staple in your weekly meal rotation. It’s a comfort food that everyone can enjoy, and we encourage you to share your experiences and variations with us!
FAQs
1. Can I make this casserole ahead of time?
Yes! You can prepare the casserole up to the baking step, cover it, and refrigerate it for up to 24 hours before baking. Just be sure to adjust the baking time, as it may take a bit longer if baking from cold.
2. Can I use frozen chicken?
Absolutely! You can use frozen, cooked chicken—just ensure it’s thawed completely before incorporating it into the casserole.
3. Is it okay to use store-bought marinara sauce?
Yes, store-bought marinara sauce is a great time-saver! Just choose a high-quality brand for the best flavor.
4. What can I substitute for mozzarella cheese?
You can use provolone or a dairy-free cheese substitute if you need an alternative to mozzarella.
5. How do I reheat leftovers?
To reheat your casserole, place it in an oven-safe dish and warm it in a preheated oven at 350 degrees F for about 15-20 minutes, or until heated through. You can also use the microwave, but the oven will maintain better texture.

Easy Chicken Parmesan Casserole
Ingredients
Method
- Preheat your oven to 350 degrees F and grease a 9×13 baking dish with cooking spray.
- In a large bowl, combine the cooked pasta, shredded chicken, 2 cups of marinara sauce, undrained diced tomatoes, 1 cup mozzarella, ½ cup Parmesan, Italian seasoning, and black pepper. Stir until well combined.
- Spoon the mixture into the prepared baking dish, spreading it evenly.
- Pour the remaining 1 cup of marinara sauce over the top and spread it evenly.
- Cover the dish tightly with aluminum foil and bake for 30 minutes.
- Remove the dish from the oven and take off the foil.
- Sprinkle the remaining mozzarella, Parmesan cheese, and panko breadcrumbs evenly on top.
- Return the dish to the oven and bake uncovered for an additional 10 minutes, or until the cheese is melted and bubbly.
- Once done, garnish with freshly chopped parsley or basil if desired.






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