Method:
Devein prawns, rinse in water, drain it and set aside, Add all the ingredients to marinate, mix properly and set aside for 1 hr.
Add all the ingredients to grind in a mixer jar, ground it to a smooth post and keep ready.

Heat a heavy bottomed pan by adding oil in it, when it is hot, add chopped onion and fry until it turns to light brown.

Ensure that onions turned to light brown, then add chopped tomatoes,

Saute until tomato becomes soft.

Add grounded masala paste into it, fry until oil separates to the edge of the pan.

Add marinated prawns into it, combine, saute for 3 min.
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