Answer:

beurre

Answer	Crossword Clue
BEURRE	... blanc (seafood sauce)
BEURRE	Butter: Fr.
BEURRE	Word in French cookery.

BEURRE	Butter at Maxim's
BEURRE	Pain's partner, in France

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.