Hey y’all! If you’re craving something hearty yet simple, our Easy Stuffed Pepper Casserole is just the ticket. This delightful dish brings all the classic flavors of stuffed peppers into a convenient, comforting casserole. Whether you’re hosting a cozy dinner or need a quick weeknight meal, this recipe is sure to impress. Let’s get cooking!
Why You’ll Love This Easy Stuffed Pepper Casserole
- Quick and simple to prepare, making it perfect for busy weeknights.
- Loaded with vibrant, savory flavors that everyone will adore.
- One-pot wonder means less clean-up and more relaxation.
- Customizable with your favorite ingredients, making it versatile.
- Great for meal prep as it stores well for leftovers.
Ingredients
- 1 lb ground beef
- 1 cup uncooked white rice
- 2 cups chopped bell peppers (any color)
- 1 onion, diced
- 2 cloves garlic, minced
- 2 cups tomato sauce
- 1 cup beef broth
- 1 tsp Italian seasoning
- Salt and pepper to taste
- 1 cup shredded mozzarella cheese
Directions
Step 1: Preheat and Prepare

Preheat your oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish and set aside.
Step 2: Cook the Beef
In a large skillet over medium heat, cook the ground beef until browned. Drain excess fat.
Step 3: Combine Ingredients
Add the chopped bell peppers, onion, and garlic to the beef. Sauté for about 5 minutes. Stir in the tomato sauce, beef broth, Italian seasoning, salt, and pepper. Mix in the rice until well combined.

Step 4: Bake the Casserole
Transfer the mixture to the prepared baking dish. Cover with aluminum foil and bake for 40 minutes.
Step 5: Add Cheese and Finish Baking
Remove foil, sprinkle mozzarella cheese on top, and bake for an additional 10 minutes until cheese is bubbly and golden.
Notes
- For a vegetarian version, substitute beef with diced mushrooms or a meat alternative. Learn more about vegetarian meal options.
- Rinse the rice thoroughly to remove excess starch for a fluffier texture.
- Adjust seasoning to taste, adding more herbs for a stronger flavor profile.

Variations
- Mexican Twist: Add black beans, corn, and taco seasoning for a fiesta of flavors.
- Cheesy Mushroom: Incorporate sautéed mushrooms and extra cheese for a creamy delight.
- Spicy Sausage: Use Italian sausage instead of beef and add red pepper flakes for a kick.
Required Equipment
- Large skillet
- 9×13-inch baking dish
- Aluminum foil
Storage Instructions
Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the microwave or oven until warmed through.
Suggested Pairings
- Pair with a crisp green salad for a refreshing contrast.
- Serve alongside warm, crusty bread to soak up the sauce.
- Enjoy with a glass of red wine for a robust dining experience.
Pro Tips
- Let the casserole rest for a few minutes after baking for better serving slices.
- Use a combination of red, yellow, and green peppers for a colorful presentation.
- For a richer flavor, substitute part of the beef broth with red wine. Explore more cooking with wine.
FAQ
- Can I use brown rice instead of white? Absolutely! Just increase the cooking time as brown rice takes longer to cook.
- How can I make it gluten-free? Ensure the beef broth is gluten-free and replace the rice with a gluten-free grain like quinoa.
- Can I prepare this in advance? Yes, assemble the casserole, cover and refrigerate for up to 24 hours before baking.