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
Haute cuisine Haute cuisine Haute cuisine (French: literally "high cooking", ) or grande cuisine refers to the cuisine of certain kitchens. It is characterized by meticulous preparation and presentation of food in the established French style. "Haute cuisine" developed out of political and social changes in France. The "high" cuisine represented a hierarchy in 17th century France as only the privileged could eat it. "Haute cuisine" distinguished itself from regular French cuisine by what was cooked and served such as foods like tongue and caviar, by serving foods such as fruit out of season, by making it difficult and time consuming to