What are the ingredients of a burger patty?

It varies from person to person, but the general hamburger ingredients are a grilled ground beef or turkey patty on a sesame seed bun with condiments such as : mayonnaise, mustard, ketchup, and sweet or dill pickle chips or relish. Also vegetables like iceberg lettuce, tomato and onion are usually a common option. The hamburger patty could also have melted cheese on it too.