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Q&A How long does mayonnaise last unrefrigerated in the back-country?

From what I understand, it doesn't last in the backcountry. The recommended shelf-life for commercial mayonnaise, opened and inside the refrigerator, is two months. The USDA recommends only stori...

posted 13y ago by Clare Steen‭  ·  last activity 12y ago by System‭

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