consistently cold
Whether the lid and container are intact
How the mayonnaise looks and smells
Whether it has been contaminated during use
When you’re dealing with a questionable perishable food, it’s always better to be cautious.
How to Tell If Mayo Has Gone Bad
Sometimes the easiest answer is right in front of you.
Before using older mayonnaise, take a moment to inspect it.
1. Check the Color
Fresh mayonnaise is usually creamy white or slightly off-white.
If it develops an unusual yellow, brown, gray, or otherwise noticeably altered appearance, it’s best to discard it.
A slight change in color
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