Boil, peel and cubes the potatoes

Heat oil in a pan, add the mustard seeds, slit green chillies, curry leaves, fry till the seeds start splattering add salt and turmeric powder and cubes potatoes, add little water so that the potatoes absorb the masala and simmer for 4-5 minutes till well blanded.

For a different taste you can substitute mustard seeds with cumin seeds