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The Very Un-Dutch History of Hollandaise Sauce Despite its name, there is general agreement that Hollandaise was born in France and was originally known as Sauce Isigny, after a town in Normandy famous for its butter and cream. What provoked the name change is uncertain, and the alternate name of Sauce Isigny is still listed in French reference books.
The crepe originated in Brittany, in the northwest corner of France, where they still make sweet crepes or galettes, which are filled with meats and cheeses. In medieval times, peasants presented crepes to their feudal lords as a demonstration of loyalty.