1. Grind the turmeric powder, 1/2 tsp garlic, and the skin of dry red chilli together.

2. Make 2 extractions of coconut milk: the first extraction 1 1/2 cups and the second 2 cups.

3. Heat the oil in a pot; add the onions, ginger, green chillies, and the remaining garlic; saute for a few minutes. Add the ground ingredients and saute.

4. Pour the second extract of coconut milk, lemon juice, and salt. When it conies to the boil, add the fish and cook on low heat for half an hour.

5. When the fish is cooked, add the first extract of coconut milk and arrange the tomatoes on top. Bring to the boil and remove the pot from the heat.

6. Serve hot.