Ingredients:
prawns - � kg, peeled and de veined
button mushrooms - 200 gm
dried red chilies - 8 to 10
coriander seeds - 2 tsp
cumin seeds - 1 tsp
fenugreek - � tsp
black pepper corns - � tsp
grated coconut - 1 � cup
turmeric powder - � tsp
onion - 1 cup, chopped finely
tamarind - 2 cm round ball
oil - 3 tbsp
salt to taste