Firstly coarsely grind tomatoes garlic green chillies coriander and onion. & keep aside..
Now take a pan and saute onion till it is light brown in colour.
Now add the tomato mixture dry spicez and curd cook till oil seperates ..
Now put the boiled potatoes mix well add little water and cook for few mins..
Off the gas garnish with coriander and serve hot with nan or chappatie
