M&S 2 Cod Katsu Fishcakes Cod fillet fishcakes topped with a mildly spiced, melting katsu curry sauce. Simply bake in the oven. Two per pack. Our M&S seafood products have been sourced from fisheries and fish farms in a way that minimises their ethical and environment impact, while guaranteeing you the highest quality, delicious seafood you’d expect from M&S.