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Italian Sausage and Pepper Casserole dish ready to serve

Italian Sausage & Pepper Casserole

A warm and hearty one-pan meal featuring Italian sausage, colorful bell peppers, and bubbling mozzarella cheese — perfect for busy weeknights!
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 4 servings
Course: Dinner, Main Course
Cuisine: Italian
Calories: 400
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 1 lb Italian sausage
  • 2 pieces bell peppers (red and green), sliced
  • 1 piece onion, chopped
  • 3 cloves garlic, minced
  • 1 can (14.5 oz) diced tomatoes
  • 1 can (8 oz) tomato sauce
  • 1 teaspoon Italian seasoning
  • Salt and pepper to taste
  • 1 cup shredded mozzarella cheese

Method
 

Preparation
  1. Preheat the oven to 375°F (190°C).
  2. In a large skillet, cook the Italian sausage over medium heat until browned.
  3. Add the sliced bell peppers, onion, and garlic to the skillet. Sauté until the vegetables are tender.
  4. Stir in the diced tomatoes, tomato sauce, Italian seasoning, salt, and pepper.
  5. Transfer the mixture to a casserole dish and top with shredded mozzarella cheese.
  6. Bake in the preheated oven for 25-30 minutes, or until the cheese is bubbly and golden.
  7. Let it cool for a few minutes before serving.

Notes

This dish can be served with garlic bread, fresh greens, or over pasta. Leftovers keep well in the fridge for 3-4 days and can be frozen for up to 3 months.