1. Cut the potatoes into strips.

2. Put in 180 degree oil pan and fry until cooked. Take it out and let it cool, then put it in the refrigerator and freeze it overnight.

3. Take out the frozen French fries and fry them in an oil pan at 200 degrees for 5 minutes.

4. Remove the drained oil, sprinkle with a little salt and mix well with black pepper. Just dip it in ketchup when eating.