Alleppey Fish Curry

Ingredients (Serves 4) 1. Fish (kingfish, tilapia, trout, mahi mahi etc) – 1/2 kg, cut into medium pieces     Raw mango, sour  – 1, cubed or sliced 2. Coconut oil – 1.5 tbsp 3. Mustard seeds – 3/4 tsp 4......