heat the oil in kadhai or big tawa and add 1 teaspoon oil in it.
Now add 3 cubes of butter in it.
Add onions and cook it for 1 to 2 minutes
Add green chilli and ginger in it . And let it soft little bit.
add tomatoes in it and mix it. Let it saute for few minutes.
Add capsicum, beans, carrots and cauliflower, and cook on medium high flame and cook it little bit.
Add peas in it
add ½ teaspoon turmeric powder, 1 teaspoon red chilli powder, 2 teaspoon coriander powder and 2 teaspoon pav bhaji masala. Mix it well and cook it until its raw flavour goes away.
now add mashed boiled potatoes and mix it.
now add 2 teaspoon salt ( or according to taste)
Now mash the vegetables through potatoes masher for 7-10 minutes.
Add water in it and mix it with masher.
Add more water if the consistency is thick.
Now cook it on low flame for 10 minutes.
Add 1-2 cubes of butter in it for more flavour.
Take 6 pav and cut from middle
heat the tawa and apply butter on it.
sprikle little pav bhaji masala on top of it.
Now put the pav on tawa and roast it from one side.
Apply butter on top of it and flip it .
One they are roasted from both sides, serve it with pav bhaji.