Chicken Parmesan Casserole

There’s something about a bubbling, golden-brown casserole that makes a house feel like a home. And when it’s Chicken Parmesan Casserole we’re talking about, it’s pure comfort on a plate. This dish carries a sense of old-world tradition, a nod to the Italian kitchens where Nonna would stand by the stove, stirring sauces and layering flavors with love and patience.

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When I first discovered this casserole version of the classic Chicken Parmesan, it was a chilly Sunday afternoon. The kind of day where the wind rattles the windows, and you just want something hearty and soul-warming to fill the kitchen with delicious smells. Instead of breading and frying each cutlet, this recipe layers all the classic flavors—chicken, marinara, mozzarella, Parmesan, and a buttery breadcrumb topping—into one easy, family-style bake.

It’s perfect for feeding a crowd, making ahead, or just wrapping yourself in the edible equivalent of a warm hug. And honestly, it’s the kind of meal that disappears in seconds, with everyone asking for seconds.

Let’s dig in and make some memories.

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Why You’ll Love This Recipe:

  • Super easy and low-effort: No breading or frying necessary.

  • Perfect for busy nights: Quick prep, big flavor.

  • Family-friendly: Even picky eaters will love it.

  • Comfort food classic: All the best flavors of Chicken Parmesan without the fuss.

  • Make-ahead friendly: Assemble it early and bake when you’re ready.

INGREDIENTS YOU’LL NEED:

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  • 3 cups cooked chicken, shredded or diced

  • 2 cups marinara sauce

  • 1 ½ cups mozzarella cheese, shredded

  • ¾ cup Parmesan cheese, grated

  • 1 ½ cups garlic croutons, crushed into smaller pieces

  • 3 tablespoons melted butter

  • ½ teaspoon garlic powder

  • ½ teaspoon Italian seasoning

  • 2 tablespoons fresh parsley, chopped (optional garnish)

HOW TO MAKE CHICKEN PARMESAN CASSEROLE:

STEP-BY-STEP INSTRUCTIONS:

1. Preheat and Prepare

Start by preheating your oven to 375°F. Spray a 9×13-inch casserole dish with a little nonstick spray to make clean-up a breeze later.

2. Layer the Chicken

Spread your cooked, diced or shredded chicken evenly across the bottom of the dish. I love using rotisserie chicken for this—it’s tender, flavorful, and saves so much time.

3. Sauce it Up

Pour the marinara sauce over the chicken. Give it a gentle stir right in the dish so every piece of chicken gets nice and saucy.

4. Cheese, Please

Sprinkle the mozzarella cheese over the top, followed by the Parmesan. At this point, your kitchen will already start smelling heavenly.

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5. The Crunchy Topping

In a small bowl, mix the crushed garlic croutons with melted butter, garlic powder, and Italian seasoning. Stir until the crumbs are lightly coated, then scatter them generously over the cheese layer. The croutons add such a satisfying crunch—trust me, don’t skip this step!

6. Bake

Slide the casserole into the oven and bake uncovered for about 25–30 minutes. You’ll know it’s ready when the top is beautifully golden and the edges are bubbling.

7. Garnish and Serve

Sprinkle some fresh chopped parsley over the top for a pop of color and freshness. Scoop out big, steaming portions and watch everyone come running to the table.

HELPFUL TIPS:

  • Use rotisserie chicken for a shortcut that still feels homemade.

  • Crush the croutons finely for a more even topping, or leave them chunky if you like extra crunch.

  • Customize your casserole by adding sautéed mushrooms, spinach, or even cooked pasta underneath the chicken layer.

  • Make it ahead: Assemble the casserole, cover it tightly, and refrigerate for up to 24 hours before baking.

  • Freezer-friendly: You can freeze the assembled casserole (before baking) for a busy day rescue meal.

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DETAILS:

  • Prep Time: 15 minutes

  • Cook Time: 30 minutes

  • Total Time: 45 minutes

  • Yield: 6 servings

  • Category: Dinner

  • Method: Baking

  • Cuisine: Italian-American

  • Diet: High-Protein

NOTES:

  • Use freshly grated cheese for the best melt and flavor.

  • If you like it extra saucy, add an additional ½ cup of marinara.

  • For a gluten-free version, use gluten-free croutons or breadcrumbs.

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NUTRITIONAL INFORMATION:

(Approximate per serving)

  • Calories: 450

  • Protein: 35g

  • Fat: 25g

  • Carbohydrates: 20g

  • Fiber: 2g

  • Sugar: 3g

  • Sodium: 750mg

FREQUENTLY ASKED QUESTIONS:

Can I use different cheeses?
Absolutely! Try provolone, fontina, or a sprinkle of asiago for a fun twist.

Can I make this in advance?
Yes! Assemble the casserole and keep it covered in the fridge for up to a day before baking.

What can I serve with Chicken Parmesan Casserole?
Garlic bread, a fresh green salad, or even roasted veggies make perfect partners for this cozy dish.

STORAGE INSTRUCTIONS:

  • Refrigerate: Store leftovers in an airtight container for up to 3 days.

  • Freeze: Wrap tightly and freeze for up to 2 months. Thaw overnight in the fridge before reheating.

  • Reheat: Warm up in a 350°F oven until heated through, or microwave in individual portions.

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Conclusion

There’s a special kind of magic that happens when you turn simple ingredients into something unforgettable, and this Chicken Parmesan Casserole is proof of that. It’s the kind of dish that brings people together, sparks smiles around the table, and leaves everyone feeling just a little bit more loved. Whether you’re cooking for family, friends, or just treating yourself, this recipe is a guaranteed hit. So grab a baking dish, throw on a cozy apron, and let’s make some kitchen memories.

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Chicken Parmesan Casserole


  • Author: Charlotte B.

Description

There’s something about a bubbling, golden-brown casserole that makes a house feel like a home. And when it’s Chicken Parmesan Casserole we’re talking about, it’s pure comfort on a plate. This dish carries a sense of old-world tradition, a nod to the Italian kitchens where Nonna would stand by the stove, stirring sauces and layering flavors with love and patience.

When I first discovered this casserole version of the classic Chicken Parmesan, it was a chilly Sunday afternoon. The kind of day where the wind rattles the windows, and you just want something hearty and soul-warming to fill the kitchen with delicious smells. Instead of breading and frying each cutlet, this recipe layers all the classic flavors—chicken, marinara, mozzarella, Parmesan, and a buttery breadcrumb topping—into one easy, family-style bake.

It’s perfect for feeding a crowd, making ahead, or just wrapping yourself in the edible equivalent of a warm hug. And honestly, it’s the kind of meal that disappears in seconds, with everyone asking for seconds.

Let’s dig in and make some memories.


Ingredients

Scale

3 cups cooked chicken, shredded or diced

2 cups marinara sauce

1 ½ cups mozzarella cheese, shredded

¾ cup Parmesan cheese, grated

1 ½ cups garlic croutons, crushed into smaller pieces

3 tablespoons melted butter

½ teaspoon garlic powder

½ teaspoon Italian seasoning

2 tablespoons fresh parsley, chopped (optional garnish)


Instructions

1. Preheat and Prepare

Start by preheating your oven to 375°F. Spray a 9×13-inch casserole dish with a little nonstick spray to make clean-up a breeze later.

2. Layer the Chicken

Spread your cooked, diced or shredded chicken evenly across the bottom of the dish. I love using rotisserie chicken for this—it’s tender, flavorful, and saves so much time.

3. Sauce it Up

Pour the marinara sauce over the chicken. Give it a gentle stir right in the dish so every piece of chicken gets nice and saucy.

4. Cheese, Please

Sprinkle the mozzarella cheese over the top, followed by the Parmesan. At this point, your kitchen will already start smelling heavenly.

5. The Crunchy Topping

In a small bowl, mix the crushed garlic croutons with melted butter, garlic powder, and Italian seasoning. Stir until the crumbs are lightly coated, then scatter them generously over the cheese layer. The croutons add such a satisfying crunch—trust me, don’t skip this step!

6. Bake

Slide the casserole into the oven and bake uncovered for about 25–30 minutes. You’ll know it’s ready when the top is beautifully golden and the edges are bubbling.

7. Garnish and Serve

Sprinkle some fresh chopped parsley over the top for a pop of color and freshness. Scoop out big, steaming portions and watch everyone come running to the table.

Notes

  • Use freshly grated cheese for the best melt and flavor.

  • If you like it extra saucy, add an additional ½ cup of marinara.

  • For a gluten-free version, use gluten-free croutons or breadcrumbs.

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