Peel the skin from potato, cube to small pieces
Grind cumin, green chilly and coconut without adding any water
Heat a kadai with oil, splutter mustard seeds, curry leaves
Add the chopped onions, turmeric powder and salt to taste
Mix well
When the onions turn colour, add the potato cubes
Sprinkle some water, cover and cook till the vegetable is done
Keep stirring once in a while
Now add the coconut mix
Mix well
Remove from heat
Serve as an accompaniment with plain rice
