Most fudge makers recommend against refrigerating the confection, contending that doing so dries it out. Kept in plastic wrap at room temperature, it usually lasts for up to 10 days to two weeks.
Fudge House suggests placing its fudge in plastic wrap or airtight plastic storage containers and keeping it at room temperature.
Old Danish Fudge Kitchen recommends slicing pieces through plastic wrap and eating them individually. The fudge maker indicates that it is possible to freeze its fudge for future use but only if it is wrapped tightly in plastic wrap and then aluminum foil before being placed in an airtight freezer bag.