Kerala Prawns fry

Prawns, -500gm
chilli powder -1 tbsp
coriander powder -1 tsp
pepper powder -1/4 tsp
turmeric powder - 1/4 tsp
ginger slices -1 tbsp
garlic slices-1 tbsp
kudampuli(tamarind)-3 pieces
salt to taste
oil as required
mustard seeds 1 tsp
thinly sliced onions-2 cups
a few curry leaves

Wash and soak the kudampuli in one cup of water
In a pan, add the prawns, chilli pwd,pepper,turmeric and coriander pwd, kudampuli, ginger slices, curry leaves and salt with 1 cup of water. Cook covered until the prawns are soft. Uncover and cook on high till the water evaporates.In another pan, heat oil and splutter the mustard seeds.Add the sliced onions and fry till translucent.Add the curry leaves and cooked prawns and fry well.Serve hot with rice.