• To prepare the fish curry in tamarind sauce, firstly roast the fenugreek seeds, sesame seeds and coconut powder and grind to a fine powder. Keep it aside.
• Fry onions till they turn slightly brown. Make a fine paste of the spices mixture and the onions.
• In a wide open pan, add a little oil. Add mustard and cumin seeds. When they crackle add curry leaves and green chillies (optional).
• Add ginger garlic paste and fry till the raw flavor goes. Add the onion and spices paste and mix thoroughly by adding a little water.
• Add coriander powder, cumin powder, chilli powder and tamarind juice and cook well.
• Bring this mixture to a boil till slight traces of oil floats on top.
• Add fish pieces and simmer the flame.
• Do not stir the curry to avoid the fish pieces from breaking.
• Finish off with fresh coriander leaves and a little garam masala