i love eating all types of hamburgers,  A hamburger, beefburger or burger is a sandwich consisting of one or more cooked patties usually made from ground beef
I love hamburgers too! they are my fave, What kind of toppings do you usually put on yours? 
i usually only put onion chesse and tomatoes,  The patty may be pan fried, barbecued, or flame broiled
I like mine flame broiled, it tastes so much better that way. When was the burger invented anyway?
diners, and specialty and high-end restaurants (where burgers may sell for several times the cost of a fast-food burger, but may be one of the cheaper options on the menu). There are many international and regional variations of the hamburger.
Etymology and terminology.
The term "hamburger" originally derives from Hamburg, Germany's second-largest city. In German, "Burg" means "castle", "fortified settlement" or "fortified refuge" and is a widespread component of place
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