2 potatoes; Appropriate amount of salt; Proper amount of oil; Appropriate amount of water; Appropriate amount of tomato sauce; Appropriate amount of starch.

The practice is as follows:

1. Wash, peel and cut potatoes, then soak them in salt water for about 10 minutes and take them out.

2. Take it out and cook for about three minutes before taking it out;

3. Rinse it after taking it out and soak it in cold water;

4. After washing, take it out and put it on a plate to dry the water, put it in the refrigerator for about three hours, and take it out after the potato chips become hard; Take it out and put it on a plate. You need to dry the water completely before putting it in the refrigerator, so that it won't be soft and oily when frying. )

5. Throw the potato chips into the oil pan and fry until golden brown;

6. Dip in tomato sauce and serve.