Step 1

Place the water in a medium bowl, add the egg and the mashed potatoes. Mix until it begins to thicken.

Step 2

Mix in the plain flour, one tablespoon at a time, and then add the yoghurt. Finally, mix in the sweet corn and season with salt and pepper.

Step 3

Allow the mixture to sit for around 30 minutes, then fry (like pikelets) in batches in a frypan.

Step 4

Top with avocado and smoked salmon.