Peel the potato skin.
Cut potatoes into thin slices.
Dip potato slices in chilled water for 10 minutes.
Add ½ Tsp of salt and mix well.
After 10 minutes, drain water and wash potatoes to remove the starch.
In a bowl, add rice flour just to dust the potatoes to make them dry. (If you have time then you can keep the potato slices in sunlight to dry the water).
Deep fry the potatoes.
Initially place potatoes in hot oil and as it gets first coat then turn the heat to medium to make it crispy from inside.
Take out on kitchen paper as it evenly golden brown in color.
Season with salt and peppers.