Possible Clues:

• Nut or vegetable
• Word with coffee or jelly
• Started giving out good coffee, perhaps
• Take nothing from 21 down but pulse
• *See 2-Down
• Haricot or runner?
• Succotash component
• Lima or lentil
• A little seedy if your pulse is like this
• Mr --, a character developed by Rowan Atkinson