Chemmeen Mushroom Stew, Kerala style

Ingredients needed for Chemmeen Mushroom stew
1 kilo cleaned prawns
500 grams mushrooms
2 onions big sized
8 green chillies
1/2" ginger
curry leaves
1/2 tsp pepper powder
4 g cardamom
2 piece cinnamon
3 cloves
1 coconut big
100 grams ghee
200 grams oil
1 tbsp corflour
3 glasses water
50 grams cashews & kismis

How to prepare Chemeen Mushroom stew?
Take a sauce pan, add alittle of onions, ginger, garlic, curry leaves and salt to it and add prawns and cook till tender.
Heat ghee in vessel, add ghee and fry the cashewsand kismis
Remove and then add the remaining onions, garlic, ginger and green chillies , saute for  while. Then add mushrooms to this
Use second and third extract of the coconut milk to this and cook till the mushrooms get tender.  Add prawns to the pan and add pepper powder, whole garam masala.
As it starts boiling add the first milk.
Mix cornflour in a little cold milk and pour into the boiling gravy. Add the fried cashews and kismis.
As the gravy thickens remove from fire, garnish with chopped coriander leaves and curry leaves.