Refrigerated Butter

Ask the Test Kitchen

Is it necessary to keep butter refrigerated? I know people who just leave it on the counter. Is this safe and how long can it be kept unrefrigerated? —J.M., Walled Lake, MaineAccording to the Wisconsin Dairy Council, butter can be safely kept out for no more than 2 hours. Butter can be stored wrapped in the refrigerator for up to 1 month. For longer storage, freeze in a freezer bag for up to 6 months.

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