1 kg rohu or other firm white fish 2-3 tablespoons lemon juice 2 teaspoons salt ½ cup oil 2 medium onions, finely chopped 1 tablespoon garlic, minced 1 tablespoon ginger, minced 2 teaspoons chili powder ¼ teaspoon turmeric powder (haldi) 2 teaspoons coriander powder 2 teaspoons garam masala powder 3 large tomatoes, chopped ¼ cup coriander leaves, chopped 3-4 - green chilies chopped
Wash the fish and remove the scales, if any and cut the fish into 1 inch steaks. If the fish is boneless (fish fillets), then cut into 1 inch pieces.Mix the lemon juice and 1 teaspoon salt and rub on the fish pieces and leave to marinate for 30 minutes.Meanwhile prepare masala (gravy), heat oil in a heavy based pan and stirring frequently, fry the onions to light brown. Add ginger and garlic and stir fry for 3-5 minutes or until the mixture is golden brown. Add 2-3 tablespoons of water to prevent from burning.Add chili powder, turmeric, coriander powder, garam masala powder, remaining salt and 3-4 tablespoons of water to prevent the spices from burning. Stir fry for a minute or two and then add chopped tomatoes. Stirring frequently, fry the mixture for 8-10 minutes oruntil tomatoes are reduced to a pulp and oil begin to separate from gravy.Add fish and stir well to coat the fish pieces with spice mixture. Reduce the heat to low,cover with a tight fitting lid, and cook for 15-20 minutes or until the fish is tender, stirring occasionally. (It may be necessary to add extra water to prevent the fish from sticking tothe bottom of the pan.) Adjust the seasoning with salt.At the end of the cooking time add coriander leaves and chopped chilies.transfer to a serving dish and serve with roti or boiled rice.