The Difference Between A Hollandaise And A Béarnaise Sauce - Chowhound

Though béarnaise and hollandaise are two different sauces, they share the same starting point and even have many of the same taste characteristics. These sauces have so much in common that you can, in theory, create béarnaise sauce out of leftover hollandaise sauce by reducing your hollandaise and adding in the extra ingredients required for a béarnaise. It's not exactly a one-for-one exchange, but it shows how…