Ingredients:
Fish 2 cups use any fish preferably those with less bones. 
Curry leaves 1 sprig
Mustard seeds 1 tspn
Lime juice 1 tspn
Grated coconut 2 tbspns
Salt use as required
Red chilly powder 1 tspn
Coconut oil 1 tbspn
Onions 2 nos finely chopped 
Garlic 3 flakes
Ginger 1 tbspn chopped 
Tomato sauce 1tbspn

Method:

1. Boil the fish in a sauce pan with sufficient water. 
2. When the fish is cooked remove from the flame. 
3.Cool and shred the fish with the fingers after discarding the bones. 
4.Grind the garlic and the ginger to a fine paste. Keep aside. 
5.Heat the oil in a pan. 
6. Add the mustard seeds, when they crackle add the garlic ginger paste, curry leaves and the chopped onions and fry for 2 minutes over a medium flame. 
7. Add the red chilly powder, tomato sauce, salt and the fish. 
8. Fry for a few minutes till the fish is slightly brown in color. 
9. Sprinkle some lemon juice on top. Remove from the flame. 
10. Serve hot garnished with the grated coconut.