Wash and cut the slice of mushrooms.
Take a bowl and add salt, black paper, lemon juice, ginger, garlic paste and veg oil.
Add mushrooms and mix well, keep it for 10 minutes .
Heat the butter in a pan and add the mushrooms and 1/4 cup of water, cover and cook for 5 to 8 minutes on medium hot heat.
Now add the malai and stir for 2 minute more add coriander leaves and switch off the gas .
Serve with chapati, dal- rice.
Do not over cook the mushrooms, and you can use hung curd instead of lemon juice.