Hamburger Hamburger A hamburger, beefburger or burger is a sandwich consisting of one or more cooked patties of ground meat, usually beef, placed inside a sliced bread roll or bun. The patty may be pan fried, grilled, or flame broiled. Hamburgers are often served with cheese, lettuce, tomato, bacon, onion, pickles, or chiles; condiments such as mustard, mayonnaise, ketchup, relish, or "special sauce"; and are frequently placed on sesame seed buns. A hamburger topped with cheese is called a cheeseburger. The term "burger" can also be applied to the meat patty on its own, especially in the UK where the term
History of the hamburger Food and Drug Administration. "The Jungle" was a milestone in the subsequent history of the hamburger, as it led the American public to force restaurant chains to prove the safety of their cooked meat. In 1933, Arthur Kallett published a similar book, entitled "100 million guinea pigs; Dangers in Everyday foods, drugs, and cosmetics", which warned consumers specifically about the content preservatives in hamburgers. The exact origin of the hamburger may never be known with any certainty. Most historians believe that it was invented by a cook who placed a Hamburg steak between two slices of bread in a small