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Unopened it will last on the self for a year or more. But once it is opened, it will last a couple of months in the fridge. If you've opened the container or used mayo on a sandwich or in a salad, it shouldn't be left unrefrigerated for more than a couple of hours.
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoAccording toShelfLifeAdvice, mayonnaise that is unopened can last up to a year in the fridge and 2-3 months in the pantry. However, if it is opened it is only good for 2 months once placed in the fridge.
Wiki User
∙ 12y agoabout 2 months that's when is see it go bad
Wiki User
∙ 15y agolook at the [best if used by date.] some mayo's are made with eggs in it, and most have a vinagar base, so mayo will last for several months
Wiki User
∙ 14y agoyou can keep mayo for up to a year without it going bad, there are enough oils in the mayo to keep it from rotting .
Wiki User
∙ 6y agoMayonnaise should be kept in the refrigerator no longer than the expiration date on the jar or sooner if the jar has been opened and not refrigerate for more than 1 hour.
Wiki User
∙ 15y agoabout 3 -4 days i think okaii :)
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How long will mayonnaise keep unrefrigerated?
Mayonnaise Spoilage Myths - Mayonnaise Safety http://homecooking.about.com/od/howtocookwithcondiments/a/mayospoilage.htm
How long can you keep out a turkey sandwich with mayonnaise?
A turkey sandwich with mayonnaise should be eaten within three hours if not kept cool. Mayonnaise has a tendency to spoil rather quickly at room temperature.
How long can pimento cheese made with mayonnaise last?
They don't make cheese with mayonnaise
Do you have to keep mayonnaise in the refrigerator?
Once it's opened you do.
How many mints you have keep mayonnaise in your hairs?
Shut up you troll.
Can mayonnaise in potato salad be left outdoors?
It can, but not for long.
How do you keep a leaf?
You feed it oatmeal, bathe it in ice and sugar, and spread mayonnaise on it.
How long does egg mayo keep in the fridge?
Assuming the fridge is set at the correct temperature and working correctly, I wouldn't go beyond two days because of the ingredients in the mayonnaise.
Does mayonnaise last long in the fridge if the power goes out?
Due to the contents of Mayo (mostly the creams and raw eggs), it is hazardous to keep mayo if the jar has gone warm for longer then an hour.
How do you keep pasta in macaroni salad from soaking up all the mayonnaise?
You can add a little milk to the mayonnaise or to the finished salad and stir well to mix until it is as creamy as you want. You also have the option of adding more mayonnaise and/or milk once the macaroni has finished swelling.
Does mayonnaise go bad in heat?
For sure! You can get food poisoning from eating mayonnaise that has been left out of the fridge too long, and it spoils quicker with increased temperature.
Is mayonnaise a sport?
No, mayonnaise is a condiment.
