Ingredients:
Tamarind - 3 cm round lump
Oil - 4 tbsp
Mustard - 1 tsp
Onion - 1 cup, finely chopped
Curry leaves - few
Shelled, cleaned prawns - 500 gm
Turmeric powder - � tsp
Chili powder - 2 tsp or to taste
Pepper powder - � tsp
Shelled and cleaned prawns - 500 gm
Salt - to taste
Grated coconut - 1 cup