1. Wash the potatoes, peel them, and cut into thick slices first
2. Then cut into even-sized strips, rinse with clean water several times to remove starch
3. Add a little fine salt, shake it a few times to make it evenly mixed
4. Let stand for about 1 hour, the potato strips will soften, and the water will be controlled dry
5. Spread vegetable oil on a frying pan and spread the potato strips flat
6. Fry on medium and small fire, turn it a few times in the middle until the surface becomes slightly charred and hard, it is very delicious to eat with tomato sauce
