Coconut Tamarind Fish Curry

Ingredients

• 500g white fish fillets, cut into chunks
• 2 tbsp tamarind pulp, dissolved in 1/4 cup water
• 1 cup thick coconut milk
• 2 tbsp coconut oil
• 1 tsp mustard seeds
• 2 dried red chilies
• 1 sprig curry leaves
• 1 tsp turmeric powder
• 1 tsp red chili powder
• 1 tsp coriander powder
• 2 green chilies, slit
• 1 onion, finely chopped
• 1 tsp ginger-garlic paste
• 1 cup water
• Salt to taste