Seven Layer Sausage Casserole is a hearty and flavorful dish that combines layers of sausage, vegetables, and cheese. This casserole is perfect for a comforting dinner or potluck gathering. The layers of sausage, onions, bell peppers, tomatoes, beans, and cheese create a delicious and satisfying meal. Serve it with a side of crusty bread or a green salad for a complete and filling meal.