One of my favorite foods is hamburgers.  I could eat them everyday
Same, a hamburger, beefburger or burger is a sandwich technically.
The hamburger became popular in the US after they were in the 1904 World's Fair.
Hamburger
A hamburger (short: 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, onion, pickles, bacon, or chiles; condiments such as ketchup, mayonnaise, mustard, relish, or "special sauce"; and are frequently placed on sesame seed buns. A hamburger topped with cheese is
create a unique taste. The original sandwiches were sold with just ketchup and sliced onions. With new found success with their beef sandwich, they christened it the “hamburger” after the Erie County Fair’s home town of Hamburg. "National Birth of the Burger Day" is celebrated on September 18th to honor the invention of the burger in 1885 at the Hamburg Fair. In the 1920s, carnival historian John C. Kunzog interviewed Frank Menches about his experience at the Erie County Fair. His detailed hamburger story was published in this