Smoked Haddock Fishcakes

haddock 24.0% , mashed potato 23.0% , potato 9.5% , cow's milk 9.5% , butter 9.5% , water 9.5% , breadcrumbs 10.0% , haddock 7.6% , rapeseed oil 7.6% , double cream 1.5% , fortified wheat flour 1.5% , cheddar 2.0% , corn flour 1.5% , leek 1.0% , paprika 0.6% , salt 0.6% , fish stock 0.6% , fish 0.6% , potato 0.6% , salt 0.6% , lemon juice from concentrate 0.6% , dehydrated onion 0.6% , sunflower oil 0.6% , lemon juice 0.6% , black pepper 0.6% , English mustard 0.6% , white pepper 0.6% , nutmeg 0.6%