1.Boil and peel the potatoes and mash them.
2.Grind the garlic, ginger, coriander leaves, green chillies and onions to make a paste.
3.Heat oil in a pan and add the mustard seeds to it.
4.Saute the remaining onions in it.
5.Add the paste and fry for some time.
6.Add the tomatoes, potatoes, salt and curry leaves.
