Below you can find the Sometimes used to flavor vinegar this herb is essential to bearnaise sauce Jeopardy Words Answer. The answer to Sometimes used to flavor vinegar this herb is essential to bearnaise sauce has 8 letters. This clue belongs to the Herbs & spices category and is part of Jeopardy Word Level 2344. If you scroll near the bottom you will find other clues and answers part of level 2344