If unopened and left in a pantry, Miracle Whip can last for a week past its use-by date; if opened, it can last for a month past its use-by date if refrigerated before it goes bad. A person should also check other dates on a jar of mayonnaise, such as the sell-by or best before dates.Continue Reading
Miracle Whip Versus Regular Mayonnaise
According to How Stuff Compares, a comparison website, Miracle Whip contains different ingredients than traditional mayonnaise. It has less vegetable oil and eggs than regular mayo and also has more of a zing. However, it doesn't last much longer than regular mayonnaise.
Storing Miracle Whip for a Longer Life
As mentioned above, the best way to preserve a jar of Miracle Whip is by not opening it until necessary and storing it in the refrigerator. Always place the jar in the fridge immediately after use.Learn more about Food Spoilage