A sloppy joe is an American ish of ground beef, onions, sweetened tomato sauce or ketchup and other seasonings, and served on a hamburger bun. Commercially made sauces such as Manwich are also available. Textured vegetable protein may be used as a vegetarian substitute for the meat. Sloppy Joes are simpler variant of barbecue sandwich which uses shredded beef or pork and barbecue sauce.