The best chicken and ham hoc pie

milk 33.0% , potato 21.0% , onion 17.0% , chicken breast 9.0% , water 8.5% , beechwood smoked ham hock 8.0% , white wine 1.8% , double cream 0.9% , leek 0.4% , corn flour 0.2% , rapeseed oil 0.1% , wholegrain mustard 0.1% , wheat flour 0.0% , butter 0.0% , pork gelatin 0.0% , parsley 0.0% , salt 0.0% , garlic 0.0% , chicken 0.0% , black pepper 0.0% , thyme 0.0% , turmeric 0.0% , chicken fat 0.0% , white pepper 0.0% , Preservative 0.0% , Antioxidant 0.0%