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Homemade stuffed pepper casserole topped with melted cheddar and mozzarella, ground beef, rice, red and green bell peppers, and fresh herbs, with a wooden spoon lifting a cheesy serving.

Stuffed Pepper Casserole

5 from 1 vote
This Stuffed Pepper Casserole has all the flavors of traditional stuffed peppers—ground beef, rice, peppers, tomatoes, and cheese—without the hassle of hollowing out peppers. Easy, hearty, customizable, and perfect for busy weeknights.
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Prep Time 20 minutes
Cook Time 45 minutes
Resting Time 10 minutes
Total Time 1 hour 15 minutes
Servings: 8
Course: dinner
Cuisine: American
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

  • 1 lb Ground beef - Sub turkey/chicken/sausage if preferred
  • 3 Bell peppers Any color - Any color, chopped
  • 3 cups Cooked white rice - Sub brown rice, quinoa, or cauliflower rice
  • 1 Onion - Diced
  • 2 cloves Garlic - Minced
  • 1can (14.5 oz) Diced tomatoes - Undrained
  • 1can (8 oz) Tomato sauce - Sub marinara for Italian version
  • 1 cup Shredded cheese - Cheddar, mozzarella, or mix
  • 1 teaspoon Italian seasoning
  • 1 teaspoon Salt - To taste
  • ½ teaspoon Black pepper - To taste
  • 1 tablespoon Worcestershire sauce - Optional, adds depth
  • ½ cup Beef broth - Adjust consistency
  • 1 teaspoon Paprika - Optional
  • Optional add-ins - Mushrooms, corn, hot sauce, extra cheese

Equipment

  • 1 Large skillet or pan (For browning beef & building base)
  • 1 9x13 baking dish (Greased)
  • 1 Sharp knife (For chopping peppers & onion)
  • 1 Cutting board
  • 1 Wooden spoon (For stirring)

Method
 

  1. Preheat oven to 350°F. Grease a 9x13 baking dish. Cook rice, chop peppers, dice onion, and mince garlic.
  2. Brown ground beef in a skillet until golden, then add onion and garlic; cook until softened and fragrant.
  3. Stir in salt, pepper, Italian seasoning, paprika, and Worcestershire. Add peppers, tomatoes, tomato sauce, and beef broth; simmer briefly.
  4. Mix in cooked rice. Taste and adjust seasoning. Spread half mixture in baking dish, sprinkle with cheese, then repeat layers.
  5. Cover with foil and bake 30–35 minutes. Uncover and bake 10 more minutes until bubbly. Let rest 10 minutes before serving.

Nutrition

Serving: 1cupCalories: 350kcalCarbohydrates: 28gProtein: 22gFat: 16gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gCholesterol: 65mgSodium: 620mgPotassium: 650mgFiber: 4gSugar: 6gVitamin A: 1800IUVitamin C: 70mgCalcium: 180mgIron: 3mg

Notes

Nutrition information is automatically calculated and should be considered an approximation. Actual values may vary based on specific ingredients used and portion sizes.Feel free to add more of your favorite toppings.

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