Preparation materials: potato, oil. Peel and wash potatoes, cut into strips. Rinse off the starch and soak in water for a while. Boil water in a pot, over the potatoes, and cook for about two minutes. Rinse under cool water and drain to dry. Put them up in a plastic bag and put them in the freezer overnight. The next day thaw the potato sticks completely and dry them out. Heat enough oil in a pan to cover the strips.