This Sausage and Cornbread Breakfast Casserole is a hearty and delicious morning meal perfect for feeding a crowd. Featuring savory bulk breakfast sausage layered with cubed cornbread and smothered in a rich egg and milk mixture, this casserole bakes to golden perfection topped with melted cheddar cheese. Optional sautéed onions, peppers, or greens can add extra flavor and nutrition. Enjoy a comforting, make-ahead breakfast classic that’s easy to prepare and satisfying for any occasion.