For preparing tomato fish, first cut, clean and slice the fishes.
2)Marinate the fishes in a mixture of 1/2 tbsp chilly powder, 1/2 tsp pepper, salt, a pinch turmeric & lemon juice. Leave aside for 15 minutes and then shallow fry fishes. Keep aside.
Cut onion & tomatoes into fine pieces.
Pour 2 tbsp oil in a kadai/wok, add mustard seeds, jeera, curry leaves, onions, cut green chillies, ginger, garlic and saute for 5 minutes.
Add remaining red chilly powder, remaining pepper powder, turmeric powder and coriander powder.
Then add tomatoes and saute well until all the mixture is mixed well and oil comes out. Add salt to taste.
Pour this mixture on the fry fish. Garnish with tomatoes. Enjoy!