Italian Chicken Rice Casserole

This cheesy, saucy Italian Chicken Rice Casserole is made with tender chicken chunks, fluffy white rice, and rich marinara sauce in just 50 minutes. The savory tomato broth cooks the grains perfectly while the mozzarella topping bubbles into a golden, irresistible crust. I love how this simple one-pan dinner delivers massive flavor without a mountain of dishes to wash afterwards.

Why This Classic Works

Casseroles often get a bad reputation for being mushy or bland, but this recipe succeeds by balancing the liquid-to-rice ratio perfectly. My early attempts at rice bakes often resulted in crunchy, undercooked grains because I didn’t account for how much moisture the chicken would release. By using a specific blend of chicken broth and marinara, the rice steams evenly while absorbing that robust tomato flavor.

I also learned that browning the chicken before baking is non-negotiable. While some “dump-and-bake” recipes suggest adding raw meat directly to the dish, searing the chicken first locks in juices and adds a depth of savory flavor that boiling simply cannot match. It adds about five minutes to the prep time, but the difference in texture is worth every second.

Italian Chicken Rice Casserole Ingredients

• 1 lb boneless, skinless chicken breasts, cut into 1-inch pieces
• 1 cup long-grain white rice, uncooked
• 2 tbsp olive oil, divided
• 1 small yellow onion, diced
• 1 red bell pepper, diced
• 2 cloves garlic, minced
• 1 ½ cups marinara sauce
• 1 ½ cups chicken broth (low sodium preferred)
• 1 tsp dried Italian seasoning
• ½ tsp salt
• ¼ tsp black pepper
• 1 cup shredded mozzarella cheese
• ¼ cup grated Parmesan cheese
• Fresh basil or parsley for garnish

How To Make Italian Chicken Rice Casserole

1. Sear the Chicken: Preheat your oven to 375°F (190°C). Heat 1 tablespoon of olive oil in a large skillet over medium-high heat. Season the chicken pieces with salt and pepper, then cook for 3-4 minutes until browned (they don’t need to be fully cooked yet). Transfer the chicken to a plate.
2. Sauté Aromatics: Add the remaining tablespoon of oil to the same skillet. Sauté the diced onion and red bell pepper for about 4 minutes until softened. Stir in the minced garlic and Italian seasoning, cooking for another 30 seconds until fragrant.
3. Assemble the Casserole: Spray a 9×13 inch baking dish with non-stick spray. Spread the uncooked rice evenly across the bottom. Top with the sautéed vegetable mixture and the browned chicken.
4. Add Liquid and Bake: In a large measuring cup or bowl, whisk together the chicken broth and marinara sauce. Pour this mixture evenly over the ingredients in the baking dish. Cover tightly with aluminum foil and bake for 35-40 minutes, or until the liquid is absorbed and rice is tender.
5. Melt the Cheese: Remove the foil. Sprinkle the mozzarella and Parmesan cheese evenly over the top. Return to the oven (uncovered) for 5-10 minutes until the cheese is melted and bubbling. Let it rest for 5 minutes before serving to allow the sauce to set.

Recipe Tips

• Seal it tight: The foil must create a tight seal around the baking dish to trap steam. If steam escapes, your rice will end up dry and crunchy instead of fluffy.
• Rinse the rice: Give your rice a quick rinse in a fine-mesh sieve before adding it to the dish. This removes excess surface starch and prevents the casserole from becoming gummy or gluey.
• Broil for color: If you love those golden-brown spots on your cheese, switch the oven to broil for the last 1-2 minutes of cooking. Watch it closely so it doesn’t burn.
• Resting is key: Let the casserole sit for at least 5 minutes after it comes out of the oven. This allows the residual liquid to redistribute, making it easier to spoon out neat servings.

What To Serve With Italian Chicken Rice Casserole

Since this dish is rich and cheesy, a crisp green salad with a sharp balsamic vinaigrette creates the perfect balance. Steamed broccoli or roasted green beans also work well to add more freshness to the meal. For a true comfort food feast, serve it alongside crusty garlic bread to scoop up every bit of the tomato sauce.

How To Store

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To freeze, let the casserole cool completely, then store in freezer-safe containers for up to 2 months. Thaw overnight in the fridge before reheating in the oven or microwave, adding a splash of water if the rice looks dry.

FAQs

Can I use brown rice instead?
Yes, but you will need to increase the chicken broth by about ½ cup and bake it for 50-60 minutes total, as brown rice takes longer to absorb liquid.

Do I have to cook the chicken first?
While you can put raw chicken in, browning it first adds much better flavor and texture. If you are in a rush, you can skip the searing step, but ensure the internal temperature reaches 165°F.

Can I use rotisserie chicken?
Absolutely. Skip the searing step and stir the cooked, shredded rotisserie chicken in with the rice and vegetables before adding the liquid.

Is this spicy?
Not usually, but it depends on your marinara sauce. If you want a kick, add ½ teaspoon of red pepper flakes when sautéing the garlic.

Nutrition

• Calories: 410
• Total Fat: 12g
• Saturated Fat: 5g
• Cholesterol: 75mg
• Sodium: 850mg
• Total Carbohydrate: 42g
• Protein: 32g

Try More Recipes:

• Italian Chicken Meatballs
• Italian Chicken Thighs
• Baked Italian Chicken Breast Recipe

Italian Chicken Rice Casserole

Recipe by Paula

Servings

6

servings

Prep time

15

minutes

Cooking time

35

minutes

Total time

50

minutes

Italian Chicken Rice Casserole combines cheesy comfort with tender chicken chunks and savory marinara sauce in 50 minutes. This easy weeknight dinner requires just one pan and simple pantry staples. It is a hearty meal the whole family will devour.

Ingredients

• 1 lb boneless, skinless chicken breasts, cut into 1-inch pieces

• 1 cup long-grain white rice, uncooked

• 2 tbsp olive oil, divided

• 1 small yellow onion, diced

• 1 red bell pepper, diced

• 2 cloves garlic, minced

• 1 ½ cups marinara sauce

• 1 ½ cups chicken broth (low sodium preferred)

• 1 tsp dried Italian seasoning

• ½ tsp salt

• ¼ tsp black pepper

• 1 cup shredded mozzarella cheese

• ¼ cup grated Parmesan cheese

• Fresh basil or parsley for garnish

Directions

• Preheat your oven to 375°F (190°C). Heat 1 tablespoon of olive oil in a large skillet over medium-high heat. Season the chicken pieces with salt and pepper, then cook for 3-4 minutes until browned (they don’t need to be fully cooked yet). Transfer the chicken to a plate.
• Add the remaining tablespoon of oil to the same skillet. Sauté the diced onion and red bell pepper for about 4 minutes until softened. Stir in the minced garlic and Italian seasoning, cooking for another 30 seconds until fragrant.
• Spray a 9×13 inch baking dish with non-stick spray. Spread the uncooked rice evenly across the bottom. Top with the sautéed vegetable mixture and the browned chicken.
• In a large measuring cup or bowl, whisk together the chicken broth and marinara sauce. Pour this mixture evenly over the ingredients in the baking dish. Cover tightly with aluminum foil and bake for 35-40 minutes, or until the liquid is absorbed and rice is tender.
• Remove the foil. Sprinkle the mozzarella and Parmesan cheese evenly over the top. Return to the oven (uncovered) for 5-10 minutes until the cheese is melted and bubbling. Let it rest for 5 minutes before serving to allow the sauce to set.