In a pan heat 2 tbsp butter and saute onion after that add cumin powder, chilli powder,salt, mango powder and coriander powder mix well.

Cook 1 to 2 min off the flame.
Add mashed potatoes, corn flour add coriander leaves and mix well. keep aside.

Now grease your hands with oil.
After that take small part of dough and make a patties of round shape.

Heat the tawa or pan with some oil and place the prepared patties.

Fry for a minute or till the base turns golden and crisp.
flip the patties and roast the other sides.

Also add oil if required to make patties more crisp.

Finally serve aloo tikki with yogurt, chutney and sauce.