Flake the salmon gently into a mixing bowl.
Boil the potatoes in their skin until tender. Drain, peel them, then mash roughly with a fork.
When the potatoes are cool, add to the salmon.
Add the ginger, zest & juice of the lime, soy sauce and coriander.
Thinly slice the spring onion, add to the mixture. Combine well, then form 4 patties .
If you have time, chill in the refrigerator for about half an hour.
Fry the patties in hot oil for 3 minutes on each side until golden.
Serve with wasabi mayonnaise and an Asian-style warm salad.