1 can Jack mackerel, drained or 4-6 pieces fresh fish, cooked and boned
1 egg
2 tbsp. mayonnaise
1 tbsp. soy sauce
2 tsp. mustard
Pepper to taste
2 mashed potatoes

Mix all ingredients together well. Form into patties and fry. (Salt is not required for canned fish. If fresh fish is used, add salt to taste.)