A club sandwich is a sandwich made with three slices of toasted bread layered with fillings between each, typically chicken or turkey, bacon, lettuce, tomato, and mayonnaise, cut into triangles and secured with cocktail sticks. Also called a double-decker, it is a hotel and café classic, substantial enough for a light meal. The triple structure demands careful assembly so it holds together, and the toasted bread stays crisp against the moist fillings. Variations swap in ham, cheese, or egg. It is satisfying but often high in calories, fat, and sodium, reflecting its generous fillings and mayonnaise.