1 The reason why French fries are not crisp is that the heat is not enough and the oil temperature is not high enough. The oil temperature of French fries is around 170℃, and it will be more brittle when fried again. The precautions for French fries are that the oil temperature should not be too low and the potato chips need to be drained when frozen. The reasons are that it is not easy to separate the potato chips after freezing, and when frying, the water is easy to fry.

2, ingredients: potatoes, salt, white vinegar, oil.

3. Practice: peel the potatoes first, cut them into thick slices, then cut them into thicker strips, soak them in clean water for 10 minutes, then wash them twice to wash off the starch on the potato surface, so that the fried French fries can be more crisp. Boil a proper amount of water in the pot, add a spoonful of salt to the water, drop a few drops of white vinegar and stir well. Boil the water in potato chips for about 2 minutes, and cook until the potato chips become transparent. Take out the potato chips, soak them in cold water, then take out the water and spread them out to dry. It is very important to put the dried potato chips into a fresh-keeping bag and freeze them in the refrigerator for more than 2 hours. Many people do not want this step, so the fried potato chips are not crisp. There must be no shortage of freezing in the refrigerator. Frozen potato chips can be fried directly without thawing. Cook the oil in the pan, fry the potato chips at a temperature of 50% until the chips are slightly yellow, turn to a high fire, fry until golden, take out the oil control, fry again in the pan for 10 second, and take out immediately. After taking out the pan, you can sprinkle with spices such as salt and pepper, cumin, etc. or dip in tomato sauce to eat.