Fisherman's pie

potato 44.0% , water 19.1% , alaska pollock 15.0% , cheddar 2.0% , cream 2.0% , rapeseed oil 2.3% , red cheddar 2.0% , milk proteins 1.5% , onion 1.5% , corn flour 0.9% , wheat flour 0.9% , chives 0.9% , salt 0.9% , mustard powder 0.9% , dextrose 0.9% , potato starch 0.0% , flavouring 0.0% , white pepper 0.0%