Ingredients 

• 1/2 kg small fish (sardines, mandila)
• 11/2 tsp mustard paste
• 1/2 tsp chilli powder
• 1 tsp oil
• 1/2 tsp turmeric
• 100 gms tamarind
• Whole mustard seeds
• Salt
• Sugar or jaggery to taste.

• Deep fry the fish and keep aside. 
• Add the whole mustard in the hot oil. 
• Soak tamarind in water and squeeze out the pulp. 
• Moisten turmeric and chiili powder and put it in the hot oil. 
• Put the fried fish once the water dries, pour the tamarind juice. Add water. 
• Then add salt and sugar/jaggery and boil for 5 mins. 
• Add the mustard paste and again boil for 5 mins.