Heat the pan on the stove.
Add 1 or 2 tablespoons of desi ghee or any cooking oil for tadka. And heat it up.
Add peanuts in it and roast them.
Add jeera in it and fry it until its colour changes.
Add chopped green chillies and ginger in it. And cook it until the raw flavour of them goes away.
Add curry leaves in it and stir it.
Add chopped tomatoes in it.
Add sendha namak (rock salt) according to your taste.
Cover the lid so that tomatoes becomes soft.
Add black pepper powder
Add boiled potatoes in it. And mix it again.
Add sabudana in it and mix it well.
Cover the lid for 1 minute to cook it.
Add lemon juice in it. And mix well.
This dish is ready. Serve it hot in the plate.