A hamburger is a popular fast food item consisting of a patty, usually made of ground beef, placed between two slices of bread. The patty is commonly referred to as a 'patty, ' which is five letters long. The most common type of hamburger is the 'commonround, ' which is eleven letters long. This type of hamburger is typically served with lettuce, tomato, onion, and pickles. The hamburger is believed to have originated in Germany, where it was created by a German citizen, which is thirteen letters long.