1. Ingredients preparation: two pounds of potatoes, 60 grams of starch, 600 grams of vegetable oil, and appropriate amount of salt.

2. Peel and clean the potatoes, cut them into long strips like your index finger, and then soak them in water for 20 minutes.

3. Put the soaked potato strips into a pot of boiling water and cook, add appropriate amount of salt to taste, then drain the water and set aside.

4. Sprinkle an appropriate amount of starch on the dried potato strips, then wrap them in plastic wrap and put them in the refrigerator for more than 3 hours.

5. Pour an appropriate amount of vegetable oil into the bowl, preheat the air fryer to 200 degrees Celsius for 10 minutes, then add the potato strips, fry for a few minutes and then it is ready. At this time, the potato chips have turned into golden, crispy and delicious French fries. Let cool and then sprinkle with a little salt, then you can dip it in tomato sauce and eat