Hamburger a style of rich, juicy burger in 2012 which is known as a "dirty burger" or "third-wave burger". In recent years Rustlers has sold pre-cooked hamburgers reheatable in a microwave oven in the United Kingdom. In the UK, as in North America and Japan, the term "burger" can refer simply to the patty, be it beef, some other kind of meat, or vegetarian. Fast food franchises sell American style fast food hamburgers in Australia and New Zealand. The traditional Australasian hamburgers are usually bought from fish and chip shops or milk bars. The hamburger meat is almost always ground beef,
Hamburger such as lamb and pork may also be used. The meat is ground or chopped. In Australia, a steak burger is a steak sandwich which contains a whole steak, not ground meat. Steak burgers may be cooked to various degrees of doneness. Steak burgers may be served with standard hamburger toppings such as lettuce, onion, and tomato. Some may have additional various toppings such as cheese, bacon, fried egg, mushrooms, additional meats, and others. Various fast food outlets and restaurants such as Burger King, Carl's Jr., Hardee's, IHOP, Steak 'n Shake, Mr. Steak, and Freddy's market steak burgers. Some restaurants