Take 1tbsp of oil plus butter in a kadai,put the chopped onions saute it

After that when the onion become translucent,put ginger garlic paste and saute it till it's raw smell gone,then put meat masala,then meat masala one by one

After that when the tomatoes gets mushy put cleaned and washed prawns,and put some water in it and adjust your gravy,and add salt in it as per your taste.close the kadai lid and cook the gravy on a small flame till the prawns get cooked.

When it get cooked garnish it with coriander leaves and lemon juice.serve it with chapathi, naan,Kubbus etc.