Clean the fish and cut into 1 inch pieces.
Crush the red chili with garlic and keep aside.
Slice the onion thinly.
Cut the green chilly lengthwise and Chop the ginger.
Put the oil in a cooking pan and sautÚ the onion and green chilies for five minutes.
Then add the crushed pepper, garlic and ginger.
Fry for 3 minutes until the smell of chili comes out.
Add the coconut milk, turmeric powder and let it boil.
Then add the fish and salt.
Cook well and add the tomato pieces.
Cook for 5 minutes - add the lemon juice and curry leaves.
Serve hot with steamed rice.