when properly refrigerated, it isn’t immune to spoilage. Knowing what to look for can help you avoid wasting perfectly good while also knowing when it’s smarter to toss the jar.
How Long Does Mayonnaise Last in the Refrigerator?
For commercially prepared mayonnaise, an unopened jar can generally maintain its quality until around the date printed on the package when it has been stored properly.
Once opened, mayonnaise should be kept refrigerated and handled carefully.
A commonly used guideline is to use opened commercial mayonnaise within
about two months, although the actual shelf life can vary depending on the product, storage conditions, and how it has been handled.
The printed date is useful information, but it doesn’t tell the entire story.
If the jar has been sitting out for long periods, repeatedly exposed to warm temperatures, or contaminated by dirty utensils, its quality and safety can decline more quickly.
What About Homemade Mayonnaise?
Homemade mayonnaise is a different story.
Because homemade mayo often contains raw eggs and doesn’t undergo the same processing as commercially produced mayonnaise,
