Answer: beurre

AnswerCrossword Clue
BEURRE... blanc (seafood sauce)
BEURREButter: Fr.
BEURREWord in French cookery.
BEURREButter at Maxim's
BEURREPain's partner, in France
beurrea seasoned butter sauce (as for fish) flavored with white wine, shallots, and vinegar or lemon juice
beurrebutter