Definition from Wiktionary, the free dictionary
soubise (plural soubises)
- A béchamel-based sauce containing strained or puréed onions.
2008 June 15, “The Other Hot Spot”, in New York Times:
- 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.
- A kind of cravat worn by men in the late 18th century.