Grind the prawns, ginger, chillies and curry leaves coarsely.
Combine with the mashed potatoes, onions, coriander leaves, garam masala and seasonings and mix well.
Shape into patties, dip into the beaten egg and coat with the breadcrumbs.
Fry in oil, deep or shallow till both sides are golden brown.
Drain onto kitchen towel and relish warm!