1. When the potatoes are cooked, they can be thoroughly pricked with bamboo sticks;
2. Cut into hob pieces;
3. Heat the oil in a hot pot and put in potato chips;
4. Fry the potatoes over medium heat until they are crispy and golden;
5. Cut mustard into small pieces, and onion into scallions;
6. Add salt, chicken essence, chili powder, five spice powder, sesame oil, pickled mustard and scallion to potatoes and mix well.