1. Shred potatoes, rinse with water to remove starch
2. Shredded shallots
3. Put two spoons of light soy sauce, two spoons of vinegar, two spoons of red oil, half a spoon of sugar, appropriate amount of salt in a small bowl, stir evenly to melt the sugar and salt
4. Put an appropriate amount of water in the pot, bring to a boil, put in the potato shreds, and bring it to a boil, remove immediately
5. Put it in cold water immediately and change the water several times to make the potato shreds cool immediately and keep it crisp
6. Remove the shredded potatoes to control the water, put them on the plate, and put the shredded green onions on top
7. Just pour the seasoning on top
8. Stir well
