Winkles are a simple and stylish dish and surprisingly popular. (By the way, the proper name is periwinkle.) These winkles have been cooked before freezing, but you can reheat them briefly. Apply your winklepicker (commonly known as a toothpick) and, with a little twirl, extract the contents. You might like to dip your winkle into hot butter, mustard or mayonnaise. Accompany with buttered bread. Alternatively, shell winkles in the kitchen and toss into a stir-fry or give them a garnishing role in many kinds of fish dishes.