Prawn & Mangao Curry (Mangalorean Style)

Ingredients:
1/4kg Prawns
1 Green Mango

To Grind:
1 tbsp. coriander seeds
½ tsp. cumin seeds
¼ tsp. mustard seeds
2pinch omum
5 pepper corns
5-6 methi seeds
5 small red chillies
6-7 Kashmiri chillies
1/4tsp. turmeric powder
2tsp. Instant Coconut Milk powder
A small ball of tamarind or 1tbsp Vinegar
Two medium size onions (only one onion need to be used for grinding)
Two flakes of garlic.
Salt to taste

Method:
All the above ingredients have to be ground finely together with onion and garlic in little water. Once the ground masala is ready, in a vessel heat two spoons of cooking oil and fry a sliced onion until golden brown. Add the ground masala and fry for about 5 minutes. Add masala water (1 cup)to the masala and keep it to the required thickness. Bring the curry to a good boil, add the Mango & cleaned prawns and bring to a reasonable boil. Add the thick coconut milk (5tbsp. Instant Milk Powder Mix with 11/2 cup of water) and bring it to a good boil once again and serve with rice.