This fish curry recipe uses a mix of eastern and northern Indian spices. The ingredients include 1 kg of fish cut into pieces, mustard seeds, cumin seeds, red chillies, paanch phoran seeds, curry leaves, onions, ginger, garlic, tomatoes, turmeric, garam masala, coconut powder, tamarind, and coriander. The preparation involves roasting and grinding dry spices into a powder. Tomatoes, turmeric and other ingredients are blended into a paste. The paste is fried in oil along with additional spices before adding water, tamarind and fish to simmer until done. The curry is served hot over rice and garnished with coriander.