From Wiktionary, the free dictionary
French d’ + Uxelles; the dish is said to have been named for Nicolas Chalon du Blé, marquis d'Uxelles, maréchal de France.
duxelles (plural duxelles)
- (cooking) A finely chopped mixture of mushrooms, onions, shallots and herbs sautéed in butter and reduced to a paste, used in stuffings and sauces (as in beef Wellington) or as a garnish.
