How long can peeled and cut potatoes sit in water before cooking, before they begin taking on too much water? A: We usually recommend no more than 24 hours. You can keep the potatoes from absorbing the water by making sure the water is not salted, and is chilled (you can even add ice to the water).
What happens if you leave potatoes in water too long?
Don't soak cut potatoes longer than overnight. If keeping potatoes in water for more than an hour, refrigerate. However, don't soak them any longer than overnight—after that, the potatoes start to lose their structure and flavor.
Is it OK to leave potatoes in water?
Place the potatoes in a bowl or airtight container and cover completely with cold water, then store in the refrigerator. This technique works best with larger varieties, such as russets, Yukon gold, and sweet potatoes. Once it's time to cook with the potatoes, drain and rinse again with cold water.
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