- Cut all the vegetables into small pieces and pressure cook them. 
- Peel and mash the cooked potatoes. 
- Heat oil and ghee in a pan and season with cumin seeds. 
- Add onions and fry till they become translucent. 
- Add ground masala and fry. 
- When the oil separates, add finely chopped tomatoes and fry till it is mashed. 
- Add mashed potatoes and other cooked vegetables, chilly powder, coriander powder, salt , sugar and masala powder. 
- Pour enough water to make it a thick gravy. Try to mash vegetables while it is boiling. 
- Garnish with coriander leaves and finely cut onions. 
- Cut bun horizontally into half or dinner rolls can be used as pav. 
- Apply little ghee/butter from the inside. 
- Stuff masala inside and microwave for 30 seconds and serve with little more masala on its side.