how long can you keep mayonnaise in the refrigerator?Advertisement
FOOD STORAGE — HOW LONG CAN YOU KEEP ... Refrigerator: 2-3 months after date on package: Tips: The precise answer to the question “How long does mayonnaise last once opened?” depends to a large extent on storage conditions — keep opened mayonnaise refrigerated and tightly covered at all ... - read more
If the mayonnaise is unopened it should last about a year, in or out of the fridge. Once you open it you should store it in the fridge. Mayonnaise usually contains vinegar, which helps to preserve it but you should probably finish it before two or three months. - read more
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