Pork & ham pie
Gordon's delicious pork pie recipe is perfect for a buffet, picnic or grown-up lunch box
In a large bowl, combine the cabbage, celery, apples and grapes. Mix the mayo with the vinegar and season. Stir it into the vegetables so that they are well coated. Sprinkle on the walnuts and serve. Will keep in the fridge for up to 3 days.