How do you prepare a demi-glace? A demi-glace is prepared by using ½ sauce and ½ brown stock, and then reducing it by half.

Espagnole

Explanation:

Demi - Glace is a rich brown sauce that is popular in French cuisine. It is prepared by the mixing/combination of one portion of Espagnole sauce with one portion of brown stock. Thereafter, the sauce is reduced by half, filtered to remove any lingering impurities and then completed with the use of sherry wine.

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