noun
or dux·elles (ˈ)du̇k|sel, (ˈ)dək-, (ˈ)d(y)ük-, F du̅e̅sel
( plural d'uxelles -lz, F -l ; or duxelles )
Usage: often capitalized U in the apostrophized form
Etymology: after the Marquis d'Uxelles, 17th century French nobleman, patron of the Sieur de la Varenne, famous 17th century French chef
: a garnish or sauce whose principal ingredients are minced mushrooms and tomato puree