Hamburger (Bicky dressing) made with mayonnaise, mustard, cabbage, and onion. 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
Hamburger onion rings or potato chips. In Mexico, burgers (called "hamburguesas") are served with ham and slices of American cheese fried on top of the meat patty. The toppings include avocado, jalapeño slices, shredded lettuce, onion and tomato. The bun has mayonnaise, ketchup and mustard. In certain parts are served with bacon, which can be fried or grilled along with the meat patty. A slice of pineapple is also a usual option, and the variation is known as a "Hawaiian hamburger". Some restaurants' burgers also have barbecue sauce, and others also replace the ground patty with sirloin, Al pastor meat, barbacoa