A club sandwich, also called a clubhouse sandwich or double-decker, is a sandwich with two layers of fillings between 3 slices of bread. It is often cut into quarters and held together by cocktail sticks.
The traditional club ingredients are turkey on the bottom layer, and bacon, lettuce, and tomato on the top, sometimes specifically named a turkey club.
Other common club sandwiches generally vary the bottom layer, for example a "chicken club" or a "roast beef club".
Variations might include ham (instead of bacon), egg and/or additional cheese slices.
As with a BLT sandwich, the club sandwich is usually served on toasted bread.
Mayonnaise and mustard and sometimes honey-mustard are common condiments.
It is thought that the club sandwich was invented in an exclusive Saratoga Springs, New York, gambling club in the late 19th century by a maverick line cook named Danny Mears.