Rich French Sauce of Eggs, Herbs, Butter, Vinegar

This page is the CodyCross answer for the clue below from Popcorn Time, Group 381, Puzzle 4 (Surreal Fiction).

Question is: Rich French Sauce of Eggs, Herbs, Butter, Vinegar

and the answer is: BEARNAISE

Word Meaning:

BEARNAISE — Béarnaise sauce.

Definitions from Wiktionary.