Heat the oil in a non-stick kadhai and add the cumin seeds.
When the seeds crackle, add the potatoes, mix well, cover with a lid and cook on a medium flame for 10 to 12 minutes or till the potatoes are cooked, while stirring occasionally.
Add the green chilli paste, turmeric powder, lemon juice, salt and coriander, mix well and cook on a medium flame for 1 to 2 minutes, while stirring occasionally.
Serve hot.
