soubise

noun2

1. •
   A béchamel-based sauce containing strained or puréed onions.

   • Among the starters are crab meat resala, delicate, sweet petals of crab with a turmeric-onion soubise; and tender fried quail dressed with a bacon vinaigrette. — 2008
2. •
   (historical) A kind of cravat worn by men in the late 18th century.