blanc

1 definition • 2 examples

a sauce made with butter, onions, white wine, and vinegar (= a sharp liquid made from sour wine) or lemon juice, usually served with fish or seafood:

The classic beurre blanc is assembled with meticulous care from shallots, white wine vinegar, seasoning, and a pound of butter.

Next came halibut with an asparagus beurre blanc, raw white mushrooms, and dried grapes.