This is about as easy as you can get - cook this corned beef hash in batches and keep it warm in dishes covered with aluminium foil in a low oven. Melt the butter in frying pans until foaming and ...
Season with pepper – you shouldn’t need salt as the corned beef is fairly salty – and remove from the heat. Leave to cool for about 20 minutes. Preheat the oven to 190C/375F/Gas 5.