Use good-quality tinned corned beef for the best flavour and choose a reasonably waxy potato variety such as Desiree, that will hold its shape in the pie, giving a good texture. To make the pastry ...

Corned beef has been ... hearty pie. For the filling, melt the butter with the oil in a large non-stick frying pan. Add the onion, celery, carrots and potatoes. Cook over a low heat for about ...