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
Cuisine of Gascony the leftover juices of pan-fried duck). Cuisine of Gascony The cuisine of Gascony is one of the pillars of French cuisine. Its originality stems from its use of regional products and from an age-old tradition, typical of the Aquitane and the Midi-Pyrenees, of cooking in fat, in particular goose and duck fat, whereas the cuisine of the south of France favours frying in oil and the cuisine of Normandy contains more dishes that are simmered or cooked in butter. The long life expectancy of Gascons, despite a rich diet, is a classic example of the French paradox. The cuisine of