Look into recipes of classic French cuisine ... too: Mustard turns espagnole into Robert sauce, whereas adding peppers, onions, tomatoes, and Creole seasoning will make sauce Africaine.

giving every dish its character.” As might be expected, sauces are one of the first things a French-trained chef must master—five sauces, to be exact. Termed mother sauces, béchamel, Hollandaise, ...