There’s one caveat: unpasteurized, farm-fresh cider. That beauty needs to be refrigerated and drunk within a week or two, unopened or not.
If your unopened bottle has been sitting in a hot car or a sunny windowsill, skip the taste test. Heat can make it go sour or even grow mold under the cap.
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Otherwise, treat that pantry cider like a treasure map. You won’t know what you’ve got until you open it.