Hamburger patties" to distinguish them from inexpensive hamburgers made with cost-savers like added flour, textured vegetable protein, ammonia treated defatted beef trimmings (which the company Beef Products Inc, calls "lean finely textured beef"), advanced meat recovery, or other fillers. In the 1930s ground liver was sometimes added. Some cooks prepare their patties with binders like eggs or breadcrumbs. Seasonings may include salt and pepper and others like as parsley, onions, soy sauce, Thousand Island dressing, onion soup mix, or Worcestershire sauce. Many name brand seasoned salt products are also used. Raw hamburger may contain harmful bacteria that can produce food-borne illness
Hamburger University would move its U.S. and world headquarters including Hamburger University from its long time home in Oak Brook to a newly built complex on property which formerly housed Oprah Winfrey's Harpo Studios in Chicago. Starting in 2017 McDonald's put up for sale or sold most of its Oak Brook campus. Hamburger University was satirized in the 1986 comedy, "Hamburger... The Motion Picture". It was also spoofed by McDonald's itself in a commercial with Ronald McDonald in which several animatronic hamburgers were shown graduating from school. Hamburger University Hamburger University is a training facility of McDonald's, located in Oak Brook, Illinois,