Take a microwaveable bowl and add water with potatoes to boil
Set microwave at 6 to 7 minutes and check potatoes should half boiled
Now in a pan add only one tablespoon butter or desi ghee
Add cumin seeds mustard seeds ginger garlic green chili
Roast them and add grated onion
Roast onion until it looks golden
Now add half boiled potatoes with all left spices
Stay at very low flame and cover the utensil
Steam the mixture for 9 to 10 minutes or less
Yummy potatoes are ready to serve