Boil potatoes,carrot and beetroot. keep it aside let it cool down.

In another pan, add oil and butter after heating up add chopped onion and capcicum to it saute it for few minutes. Then add boiled ingredients to it mash it well.

Add all dry spices (salt, chilli, coriander, turmeric powder and pav bhaji masala) to it. serve it hot with butter and pav.