Ingredients:
40 - large prawns
lime sized ball - tamarind
20 - red chilies
1 tsp - fenugreek seeds
2 tbsp - coriander seeds
12 flakes - garlic
1 tbsp - turmeric powder
10 - green chilies
1 inch piece - ginger
250 g - finely sliced onions
1 tsp - mustard seeds
few curry leaves
salt to taste