Steak & kidney pie

water 38.5% , wheat flour 30.8% , beef 23.0% , Margarine 3.9% , beef kidney 1.9% , modified corn starch 1.0% , onion 0.5% , salt 0.2% , Flavour enhancer 0.1% , Colour 0.1% , pepper 0.0% , butter 0.0% , Please note we finely mince the kidney for even distribution of flavour 0.0%