Heat oil in a pan.
Add cumin seeds, hing, ginger garlic paste and chopped onions to it. Stir well.
Add chopped tomatoes, green chillies, turmeric powder, salt, and coriander powder to the pan. Mix well until the mixture becomes mushy.
Then add mushrooms and green peas to that pan, along with water. Cover the lid and cook it until the peas turn soft.
Add some garam masala and kasuri methi to the sabzi. Let it cook for a few more minutes.
Garnish with fresh coriander and serve hot the delicious Matar Mushroom sabzi with roti or naan.