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Stuffed Pepper Casserole

Stuffed Pepper Casserole Recipe

Abby Marlow
This stuffed pepper casserole is a cozy, fuss-free version of the classic dish. Packed with beef, rice, peppers, and cheese, it’s perfect for beginners looking for a flavorful, one-dish dinner.
Calories 410 kcal

Ingredients
  

  • 1 tbsp olive oil
  • 1 lb ground beef
  • 1 small onion, diced
  • 3 bell peppers mixed colors, chopped
  • 2 garlic cloves, minced
  • 1 tsp salt
  • ½ tsp black pepper
  • 1 tsp Italian seasoning
  • 1 can (14.5 oz) diced tomatoes
  • 1 can (8 oz) tomato sauce
  • 2 cups cooked white or brown rice
  • 1 ½ cups shredded cheddar cheese
  • ¼ cup chopped parsley optional
  • Red pepper flakes, to taste (optional)

Instructions
 

  • Preheat oven to 375°F (190°C).
  • In a large skillet, heat olive oil over medium heat. Add ground beef and cook until browned.
  • Add onion, bell peppers, and garlic. Sauté until softened, about 5–7 minutes.
  • Stir in salt, pepper, and Italian seasoning.
  • Add diced tomatoes and tomato sauce. Simmer for 5 minutes.
  • Mix in cooked rice until evenly combined.
  • Transfer to a greased 9x13” casserole dish. Top with cheddar cheese.
  • Bake for 20–25 minutes, until hot and bubbly. Garnish with parsley and red pepper flakes.

Notes

Tip: For quicker prep, use pre-cooked rice or microwaveable packs.
Variation: Make it vegetarian by swapping beef for lentils or plant-based crumbles. This stuffed pepper casserole is flexible!