Possible Clues:

• Vegetable turned up in emptied dishes
• Digging instrument used by Murphy
• Singular dessert made with common vegetable
• K.P. unit
• Portion of Christmas pudding for Charlotte perhaps
• Vegetable soup's first course
• Provincial party's set up — here's a bit of food
• Potato in Christmas pudding?
• Murphy's tricks rebounding out East
• Russet, informally