1. Prepare the materials
2. Peel and shred potatoes, the thickness is up to personal preference, put in cold water to wash away the excess starch
3. Cut green onion into sections; cut pepper into sections; crush garlic into pieces
4. Put water in the pot and boil, put the potato shreds and blanch for half a minute, remove the cold water, drain the water
5. Add oil to the pan, fry the peppercorns on low heat, remove the peppercorns
6. Add chili and garlic and shallot and saute over high heat until fragrant
7. Add potato shreds and stir fry quickly
8. Pour in white vinegar, add salt and sugar to taste, add the shallots before serving.
