- First boil the potatoes and peel them to cut them into pieces. Heat oil in a pan and add cumin seeds, sesame seeds and fry it for a minute then add green chilli, coriander leaves, mint leaves and add salt then saute it for a minute and switch off the flame and let it cool down. In a blender add all the ingredients and add required water to make a fine paste. Take boiled potatoes in bowl and add lemon juice, salt mix it well then add the sesame seed mixture and mix it. And serve.