Pickled Walnuts Opies 390gOpies Pickled Walnuts are a quintessentially English Pickle traditionally used as accompaniment to cold meats and cheeses but delicious added to meat pies and casseroles. Of all pickles produced by Opies, these Pickled Walnuts are probably the most popular and world renowned as an English delicacy. Opies walnuts are harvested before the shell forms whilst they are still green which is generally in June. They are cooked and marinated in a secret spiced