Sauce Suprême refers to a French creamy sauce made from reduced chicken and mushroom stock then added to chicken Velouté, with fresh cream, then reduced for teh second time then finished with butter. Sauce Suprême is one of the French basic sauces. Velouté refers to French extremely smooth creamy sauce of various stock bases thickened with a roux. This is used as a base for other more French complex sauces, although it can be used as is