Take a broad microwaveable heavy base pan
Put some butter and cumin seeds ginger garlic green chilli
Set for 2 minutes
Now add diced onion and again set for 4 minutes
Now add diced tomatoes and cashews and set for 5 minutes
Now mix whole mixture after adding all the spices together
Now add some water very little and again set for 5 minutes
Take out and blend whole mixture like a smooth paste
Now add mushrooms and peas and some milk and set for 6 to 7 minutes according to thickness of gravy
Serve oil free yummy creamy microwaveable mushrooms