Chicken & Ham Hock Pie

wheat flour 52.5% , free range chicken 23.8% , butter 11.9% , water 5.9% , onion 3.0% , leek 1.5% , crème fraîche 0.7% , ham hock 0.4% , E250 0.2% , medium fat hard cheese 0.1% , white wine 0.0% , mustard 0.0% , British Chicken Stock 0.0% , free range egg yolk 0.0% , wheat flour 0.0% , salt 0.0% , corn flour 0.0% , thyme 0.0% , rosemary 0.0% , cayenne pepper 0.0%