Hollandaise sauce mayonnaise and Béarnaise, the egg does not coagulate as in a custard; rather, the lecithin in the eggs serves as an emulsifier, allowing the mixture of the normally immiscible butter and lemon juice to form a stable emulsion. To make hollandaise sauce, beaten egg yolks are combined with butter, lemon juice, salt, and water, and heated gently while being mixed. Some cooks use a double boiler in order to control the temperature. Some recipes add melted butter to warmed yolks; others call for unmelted butter and the yolks to be heated together; still others combine warm butter and eggs in
French cuisine appearance of the nouvelle cuisine. The term "nouvelle cuisine" has been used many times in the history of French cuisine which emphasized the freshness, lightness and clarity of flavor and inspired by new movements in world cuisine. In the 1740s, Menon first used the term, but the cooking of Vincent La Chapelle and François Marin was also considered modern. In the 1960s, Henri Gault and Christian Millau revived it to describe the cooking of Paul Bocuse, Jean and Pierre Troisgros, Michel Guérard, Roger Vergé and Raymond Oliver. These chefs were working toward rebelling against the "orthodoxy" of Escoffier's cuisine. Some