Put frying pan on the moderate heat and add sunflower oil. When frying pan is warmed up, dip cod pieces into eggs and move them to the frying pan: Fried Cod Recipe: Step 4. You need to fry each piece of cod from each side till it is ready, depends of the size of cod pieces it can take from 5 till 10 minutes: Fried Cod Recipe: Step 5. Move prepared cod pieces from the pan to the plate.