Possible Clues:

• Seed of an Asiatic legume
• It's used as a substitute for animal protein
• (Asian) bean
• Sounds as if there's been, so boo to you!
• Asian legume
• Sauce made from beans
• Bean covered over in mayo sauce
• Bean from which sauce is made
• Sauce placed in front of one of these beans
• ___ bean (leguminous seed)