2. The practice of cold potato shreds is also very simple. Peel and cut large potatoes into thin filaments with relatively uniform thickness, rinse the potato shreds with clear water, clean the starch on the surface, then soak them in clear water, boil the water in the pot, cook the soaked potato shreds, fish out the cooked potato shreds, put them in a cold boiled water with ice cubes, cool them thoroughly, and then take them out and drain them.