Ask Dr. Potato

With 924 posts, chances are there's already an answer to your question. Please try searching below before submitting a question to Dr. Potato. Use multiple words to help narrow down the results. For example, search for "potatoes" and "group" if looking for an answer on cooking potatoes for large groups.

Back To Dr. Potato Home

Do Peeled and Cut Potatoes Need to be Refrigerated?


If I peeled and diced potatoes and put them in cold water, changing the water frequently, do they still have to be refrigerated? If they are not refrigerated will they go bad? 


Once a potato is cut its usable shelf life clock begins to accelerate dramatically, versus keeping the potato intact and properly stored. You could constantly change out cold water on diced potatoes as you describe, for a very short period. However, the product will eventually begin to discolor and this does not take the place of refrigeration. Whenever we field a question about food safety my advice is always to never tempt fate. Prepare and cook the potatoes as usual, and avoid taking any chances that could possibly compromise your health and safety.