Béarnaise sauce Béarnaise sauce Béarnaise sauce (; ) is a sauce made of clarified butter emulsified in egg yolks and white wine vinegar and flavored with herbs. It is considered to be a "child" of the mother Hollandaise sauce, one of the five mother sauces in the French haute cuisine repertoire. The difference is only in the flavoring: Béarnaise uses shallot, chervil, peppercorns, and tarragon in a reduction of vinegar and wine, while Hollandaise is more stripped down, using a reduction of lemon juice or white wine. (One means of preparing Béarnaise, see below, is to start with Hollandaise and add the
French cuisine and created new combinations and pairings. Some have speculated that a contributor to nouvelle cuisine was World War II when animal protein was in short supply during the German occupation. By the mid-1980s food writers stated that the style of cuisine had reached exhaustion and many chefs began returning to the haute cuisine style of cooking, although much of the lighter presentations and new techniques remained. There are many dishes that are considered part of French national cuisine today. A meal often consists of three courses, "hors d'œuvre" or "entrée" (introductory course, sometimes soup), "plat principal" (main course), "fromage" (cheese