Boil the 4 or 5 medium size Potato about 30 minutes. After that smash the potato well. Add 2 spoon Cumin powder into it and mix well. Take half tea cup oil in a pan keeping the burner medium flame. Add half tea cup onion slices, half spoon Turmeric powder, 1 spoon Garlic paste, 1 spoon Ginger paste, 3 or 4 green Chili. cook the mixture about 4 minutes with continuous stirring. After that Add the Potato mixture and 3 to 4 spoon Tomato sauce. Cook another 8 minute with stirring. Add 1 liter water (or less). Add 2 spoon salt ( according to your test). Cook the mixture until the mixture get concentrated ( it may took about 10-15 minutes).
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