Wash the potatoes.
Peel them and cut into cubes.
Keep the potato cubes soaked in ice-cold water for 10 minutes. This helps to remove starch from potatoes.
Heat oil in a pan.
Add cumin seeds.
When the seeds start crackling, add curry leaves and chillies.Saute for few seconds.
Drain the water from potatoes and add potato cubes into the pan. Saute.
Add salt and mix well.
Add a tablespoon of water and cook covered for 10 minutes or until the potatoes turn soft.
Add roasted, crushed peanuts, a tiny pinch of sugar and mix well.
Finally garnish with chopped coriander leaves.
Serve Jeera Aloo with Rajgira rotis/puris.