Malabar fish curry (thenga varutharacha chaaru - kerala cuisine)

Ingredients

• Seer fish - 250 g
• Coconut - 1 cup
• Onion - 1
• Oil - 1 teaspoon ( for roasting grated coconut )
• Ginger - garlic paste - 1 tablespoon
• Small onion - 1 tablespoon, chopped
• Chilli powder - 2 teaspoon
• Turmeric powder - half teaspoon
• Coriander powder - 2 teaspoon
• Aniseed - 1 teaspoon
• Tomato - 1
• Tamarind - 1/4 cup tamarind juice or 1 tablespoon - tamarind paste diluted in 1/4 cup water
• Fenugreek ( uluva / methi )- 1/2 teaspoon
• Coriander leaves - half a bunch
• Curry leaves - 1 sprig
• Oil - 2 tablespoons
• Water - 1 cup
• Salt - to taste