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 Burger King. Most burger shops have also adopted a pizzeria-like approach when it comes to home delivery, and almost all major fast food chains deliver. In the former Yugoslavia, and originally in Serbia, there is a local version of the hamburger known as the "pljeskavica". It is often served as a patty, but may have a bun as well. Throughout Belgium and in some eateries in the Netherlands, a Bicky Burger is sold that combines pork, chicken, and horse meat. The hamburger, usually fried, is served between a bun, sprinkled with sesame seeds. It often comes with a specific "Bickysaus"