First step is to devein the prawns. Take a prawn and you would see a black line at the back. With a knife slit it, you can easily remove the vein like shown in the picture
In a pan add 2 tsp of oil. Once hot, add fennel seeds, coriander seeds, jeera and dry red chilli.
Now add shallots, coriander leaves, curry leaves and cook till shallots turn pink
Finally add grated coconut. let the masala cool.Once cooled, grind it to a fine paste
In a pan, add 2 tablespoon of ghee.
Now add chopped onions, curry leaves and green chilli.
Add ginger garlic paste and fry till raw smell leaves.
Now add red chilli powder, turmeric powder and Garam Masala. Mix well.
Add chopped tomatoes cook till Mushy.
Now add ground paste and mix well
Add the prawns and cook it covered for 5 to 7 minutes in medium flame. Open the lid and you will see prawn has let out its own juices and cooked well.
Now keep flame in high and roast still Dry