Leeks are a dense and tasty Vegetable that are well suited to European climates, and have been used in Britain probably since Roman times.  (Google "history of leeks".  Go on.  Aren't you even curious?)  I feel they're a very underused vegetable.  Leek and potato soup?  That's about it.  In fact they're something you can add to any soup, stew, casserole or other concoction, with or without