A popular name for ground beef and also a name for a traditional sandwich that consists of ground beef (or other ground meats) formed into a patty, cooked, and placed between two halves of a bun. Grinding and blending together various cuts of beef, including meat from the chuck, brisket, plate and/or flank, produces the hamburger meat. It can be purchased with varying degrees of fat content, depending on the cuts of beef that are used. The less fat in the finished product, the more expensive it is. Traditional hamburger, or ground beef, is a very popular ingredient in many other dishes such as pasta, noodles, rice, beans, soups, and chili. The hamburger sandwich is also made with a variety of ground meats other than beef, such as lamb, pork, turkey, chicken, or buffalo.