Question: are uncrustables supposed to be refrigerated?
Answer: Refrigerated Uncrustables Sandwiches should be eaten within 1 day or 24 hours for best taste. Unrefrigerated Uncrustables Sandwiches should be eaten within 6-8 hours of thawing. ... We do not recommend preparing Uncrustables Sandwiches in the toaster or microwave oven.