Heat olive oil in a large skillet or Dutch oven over medium heat.
Add ground meat and cook until browned. Drain excess fat if needed.
Add onion, garlic, and bell peppers. Cook for 5–7 minutes until softened.
Stir in diced tomatoes, tomato sauce, Italian seasoning, paprika, salt, and pepper. Simmer for 10 minutes.
Add the cooked rice and stir to combine everything well.
Sprinkle shredded cheese over the top. Cover and let cheese melt, or broil for 2–3 minutes until bubbly.
Garnish with parsley and serve warm.
Notes
Use cauliflower rice for a low-carb version.Swap ground meat for plant-based crumbles to make it vegetarian.Pepper Jack or cheddar cheese are great alternatives to mozzarella.
Nutrition
Calories: 420kcal
Keyword bell pepper recipe, Cheesy casserole, easy weeknight meal, one pot dinner, stuffed pepper casserole