Mix flour, salt and margarine together then add water until nice and smooth pastry. Set aside.

The steak was cooked in advance.
Potato and parsnip cook in water until soft, drain, then add onions and carrots and steak with the juices of the previous cooked steaks. Add a chicken stock and water and cook for 20 minutes.mix some cornflour up with a little water and add to pie mixture until it thickens.
Add salt and pepper.

Let it cool.
Roll out some pastry and fill with mixture, with a egg mixture brush around the edges and pull pastry up and nip the top.