beurre blanc

[ bur blahngk; French bœr blahn ]
/ ˈbɜr ˈblɑŋk; French bœr ˈblɑ̃ /

noun French Cookery.

a reduction sauce of wine vinegar and shallots, cooked with butter and beaten until thick and foamy.

Origin of beurre blanc

1930–35; < French: literally, white butter Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019