- Heat 4 Tbsp. vegetable oil, add next 10 ingredients and stir-fry until onions turn tanslucent.
- Add flaked fish and stir-fry for another 3-4 minutes.
- Remove from heat and bring to room temperature.
- Add half the beaten eggs and mashed potatoes and mix together.
- Form into patties or croquettes, dip in remaining beaten eggs, coat with panko and pan-fry until golden brown.
- Drain fish cakes on paper towels and serve with desired sauces.