Veggie cheese, leek & potato pie

wheat flour 27.5% , water 18.8% , Margarine 15.8% , potato 10.0% , whole milk 9.3% , mixed cheese 8.5% , leek 4.0% , onion 3.0% , spinach 2.0% , double cream 0.6% , modified corn starch 0.3% , rapeseed oil 0.1% , salt 0.1% , yeast extract 0.0% , Flavour enhancer 0.0% , garlic puree 0.0% , white pepper 0.0% , thyme 0.0% , butter 0.0% , wheat protein 0.0%