Scrub the potatoes, and cut into cubes approx 1.5 cm.
400 g potatoes
Add the potatoes to a pan, and cover with boiling water and a pinch of salt. Bring up to the boil and simmer for 7 minutes. The potatoes should be tender to the point of a knife.
Drain well and mash until smooth. Transfer to a bowl.
Add the cooked fish, beaten egg, chives, seasoning, lemon zest and cheddar if using. Stir gently with a fork to mix . Take care so that the fish still retains some texture.
400 g cooked fish , 1 egg, small bunch of chives , 1 teaspoon lemon zest, salt and pepper, 50 g grated cheddar
Using your hands, shape the mixture into 8 fishcakes .
Place in the fridge for 30 minutes to firm up. You can leave them for up to 48 hours at this stage. (If you're in a rush, pop them in the freezer for 10 minutes.)
Heat a large frying pan over a medium heat and add a drizzle of olive oil. Fry the fishcakes on both sides for about 4 minutes until crisp and golden.
drizzle of oil for frying