The best Lancashire hotpot

lamb 22.0% , potato 22.0% , onion 12.2% , water 11.7% , carrot 9.4% , leek 6.7% , red wine 5.4% , rapeseed oil 4.5% , butter 3.0% , corn flour 1.5% , garlic puree 0.8% , wheat flour 0.4% , tomato purée 0.2% , salt 0.1% , spirit vinegar 0.0% , lamb 0.0% , herb 0.0% , sugar 0.0% , Colour 0.0% , spice 0.0% , brown sugar 0.0% , Lamb fat 0.0% , vegetable concentrate 0.0% , tamarind 0.0% , garlic 0.0% , concentrated lemon juice 0.0%