Clean and cut all the vegetables. Pressure cook them. Once they are cool, mash them to paste.
Chop Onions, Tomatoes finely. Crush the garlic, this gives a nice taste to the gravy.
Heat a pan, add butter and oil. Add onions, sauté till they are nicely gold in colour. Then add garlic.
Once onions are done, add tomatoes and salt. Once its well cooked and soft, add Pav bhaji masala, chilli powder, turmeric powder. Cook on high flame for few mins, till the masala gets mixed well. Pav bhaji masala can be made at home or can be store bought.
Then add the mashed Vegetables, allow it to simmer for a few minutes.
Sprinkle chopped coriander leaves and add butter on top.
Roast the pav in a pan with butter and serve the bhaji with slice of onion and lemon.