Trellis Pie

• 8 oz mashed potato
• 6 oz plain flour
• 4 oz</

Sieve the flour with a pinch of salt, and rub in half the butter and all the lard. Add the potato and mix to a fairly stiff dough. Line the dish with this potato pastry, reserving the scraps. Fry the vegetables in the remaining butter, and when cooked, take out a few mushroom slices. Drain off the liquid from canned fish if used and make it up to half pint with milk, otherwise use half pint mil