Possible Clues:

• This has been sounding to say about nothing
• Animal-substitute (bean)
• Adventurous Tom talked of this nutritious bean
• Protein-yielding bean
• Plant discovered in very much unknown heart of Spain
• Bean known for its oil
• Form of protein derived from beans
• Bean from which milk is made
• Crop with nutritious oil-rich seeds
• Say nothing to curdle the sauce