Possible Clues:

• Like a diet of nuts with a spice
• Like a stinking primarily Asian bitter resin
• As a diet of bananas, with a spice
• Forgetting name of out-of-date Asian cooking ingredient
• A vault contains old car from investment authority with smelly plant
• Like a diet of worms? That's a cooking ingredient
• Foul-smelling but safe aid to a curry
• Smelly plant from Asia to fade when cooked
• I do a feast specially with ace Indian ingredient
• Eg Peter's opening from the back: nothing inside - that smells bad!