Meaty Stuffed Pepper Casserole

INGREDIENTS

• 2 tablespoons butter
• 6 small green bell peppers, chopped
• 1 large onion, chopped
• 2 cloves garlic, chopped
• 1 pound ground Italian sausage
• 1 pound ground beef
• salt and ground black pepper to taste
• 1 pinch dried oregano, or to taste
• 1 pinch garlic powder, or to taste
• 2 (14.5 ounce) cans diced tomatoes
• 1 cup cooked white rice
• 1 (6 ounce) can tomato paste
• 2 teaspoons Worcestershire sauce
• 2 (10.75 ounce) cans condensed tomato soup
• 1/4 (10.75 ounce) can water
• 2 cups shredded Cheddar cheese