This cauliflower and potato casserole is a comforting and hearty dish that is perfect for cooler weather. Made with tender cauliflower, creamy potatoes, and a cheesy sauce, this casserole is a delicious and satisfying meal. The cauliflower and potatoes are boiled until tender, then layered with the cheesy sauce. The sauce is made with a combination of cheddar and Gruyere cheese, giving it a rich and nutty flavor. Topped with a sprinkle of breadcrumbs and baked until golden and bubbly, this casserole is a crowd-pleasing dish that is sure to be a hit.