Cook the potatoes in boiling salted water until really tender. Drain and allow to steam-dry in a colander. Tip into a bowl, season and mash. Stir in the mayonnaise, tuna, sweetcorn and chives. Shape into 4 cakes and chill until cold and firm.
Dip each cake into the egg, letting the excess drip off, then coat in the breadcrumbs. Chill for 15 mins.
Heat a little of the oil in a pan and gently fry the cakes for 2-3 minutes on each side until golden. You may need to do this in batches – keep warm in a low oven. Serve with extra mayonnaise and salad leaves.
Make the most of your leftovers
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Keep your fridge at 5°C or below
Did you know that adjusting the temperature of your fridge could help to preserve your food for three days longer than usual? A big win to help keep your food fresher for longer. Our fridge temperature tool can help you learn how to change the temperature on your specific fridge brand.