Possible Clues:

• Nutritional bean
• Bean that provides a sauce
• Bean used in Asian sauces (Var.)
• Multipurpose protein source (Var.)
• Bean-type, say, falling about, having a ball
• Popular sauce
• Bean source
• Asian bean yielding edible oil and flour
• So this has been, by the sound of it, getting back, yes?
• Plant seed, meat substitute