sentences:  Ingredients vary, but most include vinegar, tomato paste, or mayonnaise (or a combination) as a base, as well as liquid smoke, onion powder, spices such as mustard and black pepper, and sweeteners such as sugar or molasses.Some place the origin of barbecue sauce at the formation of the first American colonies in the 17th century.References to the sauce start occurring in both English and French literature over the next two hundred years.