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How long will peanut butter last if not opened?

Updated: 10/6/2023
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LGJ4470

Lvl 1
14y ago

Best Answer

I got online to see how long an unopened jar of peanut butter last because I had found an unopened jar in my storage unit today. Everyone had different answers. So.....I opened the jar and stirred the oil into the peanut butter that had settled on top. After being in storage (extreme heat and cold) for 5 years.....the peanut butter was STILL good and there was no bitter taste either. Hope that helps.

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Wiki User

11y ago
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Wiki User

15y ago

for whenever you want it to. basically, Hayley opened up some peanutbutter, and left it open, for about 2 days, and her dog Rosy found it, and ate it all up.

THE ENDDDDDDDDDDDDDDDD(: i

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Wiki User

12y ago

READ and understand THE EXPIRATION DATE ON THE PRODUCT, please.

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Wiki User

14y ago

Check the container for a "use by" date.

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John Sassano

Lvl 1
1y ago
skippy peanut butter has no use by date what is the answer to that
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John Sassano

Lvl 1
1y ago
no use by date on jar

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