Demi-glace warm. At this point, the espagnole is prepared, and when it is finished, the brown stock is added in equal portions to the espagnole. Demi-glace keeps very well, about six months refrigerated or almost indefinitely frozen. Due to the considerable effort involved in making the traditional demi-glace, chefs commonly substitute a simple "jus lié" of veal stock or to create a simulated version, which the American cookbook author Julia Child referred to as a "semi-demi-glace"(i.e. sans espagnole sauce). However, even today, many chefs who prepare French "haute cuisine" use a demi-glace prepared in their own kitchen. Concentrates and mixes, mostly
Cuisine of Gascony 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 Gascony is characterised by the use