Overnight shredded potatoes can be eaten, but there is no nutrition, and most of the overnight meals will have some nitrite in them, and there will be many deficiencies in vitamins. Therefore, it is generally not recommended to eat overnight dishes. If allowed, it is best to eat fresh vegetables. Although it is not toxic, it loses a lot of nutrients. If we want to pay attention to the balance of nutrition, we should ensure adequate nutrition intake and eat more fresh fruits and vegetables. It is generally recommended to eat shredded potatoes on the same day, because potatoes contain a lot of starch. If they are cut and left overnight, oxidation reaction will easily occur, which will lead to the blackening of potatoes. If potatoes are not sealed, bacteria may grow during storage.

However, if the cut potatoes are kept sealed in the refrigerator, and there are no signs of deterioration the next day, they can be eaten again.