Heat oil in a wok. Add ginger garlic paste & saute for a few mins add onions & fry till golden.

Now add mushroom & fry on high flame the water will come out from the mushroom. keep on frying till the mushrooms are cooked.

Now mix cornflour with water to make a smooth paste. add cornflour paste to the mushrooms & mix well. bring it to boil & cook till the sauce thickens. add coriander leaves to it & mix well.