1. Wash potatoes, peel them and cut them into filaments. 2. Soak the shredded potatoes in cold water. Take out the dry water after a few minutes. 3. Boil water in the pot, add dried potato shreds and drop a few drops of vinegar. 2. After boiling again, take it out, dry it and let it cool. 5. Add sesame oil, minced garlic, salt and monosodium glutamate to the shredded potatoes. If you like spicy food, you can add some shredded pepper and mix well.