Goan Fish Curry

Ingredients

• 1 kg kingfish or 1 kg butterfish, cleaned and cut into small pieces
• 4 tablespoons oil
• 1 onion, chopped
• 2 tomatoes, peeled and chopped
• 4 green chilies, slit into two
• 20 curry leaves
• 1/2 teaspoon turmeric powder
• 1/2 cup tamarind juice
• salt
• For masala
• 15 whole red chilies
• 1 tablespoon coriander seed
• 1 teaspoon cumin seed
• 1/2 cup coconut, grated