A club sandwich is a popular type of sandwich that typically consists of three layers of bread, usually toasted. It is filled with ingredients such as sliced turkey or chicken, bacon, lettuce, tomato, and mayonnaise. The sandwich is often cut into quarters and held together with toothpicks for easy handling. The origins of the club sandwich date back to the late 19th century, with various claims about its invention. It is commonly served in restaurants and cafes and is enjoyed for its hearty and satisfying combination of flavors and textures.