How Long Will That Peanut Butter Last? (2023)

We don't really understand how you could forget about a jar of peanut butter in pantry, but it's bound to happen to someone. No one wants to throw out food that is still good to eat. So how long do pantry foods last before they are spoiled or, in many cases, just lose their freshness and flavor?

(Video) Expired Peanut Butter How Long Does Unopened Peanut Butter Last?

The shelf life of any food depends on certain basic factors. The United States Department of Agriculture (USDA) gives general guidelines for storing food on our shelves at home.

Temperature:Keep all foods stored in a cool, dry place with limited light and heat. Some appliances can produce heat.

(Video) How to Store Peanut Butter & Nuts [Preparedness Unit #9]

Time:Canned foods and staples have a relatively long shelf life, but USDA recommends only buying what you expect to use within the time recommended on the label for each product. At home, put the date on each package and use the oldest first. Your geographic area will affect recommended storage time: warm and humid climates can shorten shelf life.

When you buy:Purchase fresh-looking cans with labels that are not torn or dusty. This may indicate old stock. Carefully check for dents in cans before buying. Do not purchase bulging cans, says USDA.

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But what aboutourfavorite foods—peanut butter, peanuts and peanut products?

Peanut butter’s shelf life may depend on the way you store it. Follow the guide above and remember to store peanuts in airtight containers. An open jar of peanut butter stays fresh up to three months in the pantry. After that, it’s recommended to store the peanut butter in the fridge (where it can maintain its quality for another 3-4 months). If you don’t refrigerate, oil separation can occur. Here’s a run-down.

(Video) Expired Peanut Butters - Up to 12 Years Old!

Food Average Shelf Life in Pantry ________________________

Peanut Butter, unopened 6-9 months Refrigeration not needed
Peanut Butter, opened 2-3 months Lasts 6 -9 months in refrigerator
Peanuts: Bagged, in the shell or out 1-2 months Lasts 4-6 months in refrigerator
Peanuts: in cans or jars, unopened 2 years
Peanut Flour, unopened 1 year
Peanut Flour, opened 2-3 months Lasts up to 9 months in refrigerator
Peanut Oil, roasted, aromatic, unopened 9 months
Peanut Oil, roasted, aromatic, opened 2 months Lasts 4-6 months in refrigerator
Peanut Oil, refined, unopened 1 year
Peanut Oil, refined, opened 4-6 months

(Video) You've Been Storing Peanut Butter Wrong Your Entire Life


How Long Will That Peanut Butter Last? ›

An open jar of peanut butter stays fresh up to three months in the pantry. After that, it's recommended to store the peanut butter in the fridge (where it can maintain its quality for another 3-4 months).

Is peanut butter good 2 years after expiration date? ›

Past this date, if it's unopened it's still perfectly good. Opened, peanut butter will slowly develop off-flavors of rancid nuts over the next five or so years before it'll taste so bad not even the most peanut butter-obsessed child will go near it. But it's still very unlikely to make you sick.

Can I eat 1 year expired peanut butter? ›

Health-wise, however, rancid peanut butter is not something to really worry about. “It won't hurt you if you eat it — it will just taste bad,” says Maribeth Cousin, a professor of food science at Purdue University in Indiana.

Can I eat peanut butter that expired 3 months ago? ›

If unopened, both smooth and crunchy peanut butter will keep for one year past its best before date whether stored in the pantry or fridge. Once it's been opened, both are good for three to four months in the pantry or six to eight months in the refrigerator past that date.

How long is Jif peanut butter good for after opening? ›

Unopened and stored in a cool, dry area, Jif peanut butter will last about two years (refer to the “Best If Used By” date). After opening, you can keep Jif peanut butter about three months on the pantry shelf.

Can you eat 3 year expired peanut butter? ›

Low moisture content and high levels of fat give it an extremely long shelf life. But it will eventually go rancid due to its high fat content. Food that has gone rancid likely won't get you sick, but you probably won't want to eat it, as the taste and texture will be very unpleasant.

How can you tell if peanut butter has gone bad? ›

You'll be able to tell fairly quickly tell if your peanut butter has turned rancid: It will have a metallic, bitter and almost stale smell. It may also be darker and dried out in appearance. If it's natural peanut butter, it may be moldy. Any of these features signal it's time to throw away your jar of peanut butter.

Does Skippy peanut butter expire? ›

How do I know when SKIPPY® Peanut Butter expires? You can find the “Best By” date printed on the lid! SKIPPY® Peanut Butter should be enjoyed before that date—which shouldn't be a problem!

Does peanut butter help you sleep? ›

Peanut butter also provides many micronutrients and is a good source of vitamin E. Additionally, it contains the amino acid tryptophan, which the body needs to make serotonin and melatonin . Both melatonin and serotonin help regulate the sleep-wake cycle and promote quality sleep .

Why doesn't peanut butter need to be refrigerated? ›

Thanks to stabilizers, such as palm oil, that are found in processed versions of peanut butter, the product has a long shelf life; this means you do not need to refrigerate it, says Dr.

Is 2 year old peanut butter safe to eat? ›

Because of the addition of stabilizers and preservatives, commercial peanut butters may last 6–24 months in the pantry if left unopened, or 2–3 months once opened. Placing it in the fridge can extend its shelf life beyond this (4).

What is the white stuff in my peanut butter? ›

WHAT ARE THE WHITE SPOTS/COATING ON THE SURFACE OF MY NUT BUTTER? If you find this in our Chocolate Coconut Peanut Butter,Chocolate Hazelnut, or Chocolate Almond Butter jars, it is called cocoa bloom. This happens naturally when the cocoa butter separates, solidifies and rises to the surface of the jar.

What are the black spots in peanut butter? ›

Small bits of peanut skins attached to the peanut when it is ground can cause these dark spots. The dark spots in our PB Bites look like chocolate chips. They are not peanut skins (which are reddish in color).

What is the longest lasting peanut butter? ›

Powdered peanut butter is by far the best type for long-term storage. It is made by removing the fat and grinding the remaining proteins into a powder. You simply add water or oil to rehydrate it before eating. Because there is almost no fat, powdered peanut butter won't go bad as regular peanut butter will.

Does peanut butter go bad if its never been opened? ›

You can keep peanut butter in the pantry for six to nine months (unopened) and two to three months (opened).

Can dogs eat peanut butter? ›

Dogs can eat – and many really enjoy – peanut butter. But beware, some peanut butter brands contain an ingredient called xylitol, which is toxic to dogs and even eating small amounts can be fatal. Xylitol is an artificial sweetener that is often used in foods to keep the product sugar-free.

Should I throw out expired peanut butter? ›

Peanut butter in a plastic jar at the supermarket usually has a sell-by date of about 18 months after it hits the shelf. Past this date, if it's unopened it's still perfectly good.

Will I gain weight if I eat a whole jar of peanut butter? ›

Peanut butter is unlikely to lead to unwanted weight gain if eaten within your daily calorie needs. Yet, it's also a nutritious option if you're seeking healthy weight gain.

Can you freeze peanut butter? ›

Peanut butter can safely be stored in the freezer for approximately 6 months before it begins to deteriorate in terms of flavor. You can consume it after that 6-month mark, but it may not taste as good. Plus, the longer you leave it in the freezer, the more likely it is to develop freezer burn.

Why do I feel bad after eating peanut butter? ›

A peanut sensitivity is a digestive issue in which your body will produce an inflammatory response to the particular proteins in a peanut which can lead to discomfort, even severe, without the need for immediate medical attention.

Which is the best peanut butter? ›

Summary Of The Best Peanut Butters
S. NoProduct NamesPrices
1Saffola Peanut ButterRs. 266
2Pintola HIGH Protein Peanut ButterRs. 311
3Alpino Natural Peanut ButterRs. 349
4I LOVE PB MY FITNESS Original Peanut ButterRs. 560
6 more rows

Can jelly go bad? ›

Jelly does eventually expire, especially if it contains sugar or fresh fruit. The contents become stale and lose their vitamins and nutrients. Jelly also goes bad if it is not properly stored in the refrigerator or used by the expiration date.

Does jelly expire? ›

A: For best quality, it is recommended that all home-canned foods be used within a year. Most homemade jams and jellies that use a tested recipe, and have been processed in a canner for the recommended time, should retain best quality and flavor for up to that one year recommended time.

Why you shouldn't eat peanut butter before bed? ›

Peanut butter is high in heart-healthy fats and calories, meaning that eating too much before bed may lead to weight gain.

Does a spoonful of peanut butter help you lose weight? ›

Though it's high in protein, peanut butter is also high in fat content, packing nearly 100 calories into every tablespoon. But research suggests that consuming peanut butter might not stop you from losing weight. In fact, eating it might even help you shed pounds.

Why should you store peanut butter upside down? ›

Store your peanut butter container upside-down. Yes, it really is that simple. See, the liquids that separate from the solid body of peanut butter rise to the top. Storing it upside-down will force the oils at the top to travel back through the butter, mixing right in themselves.

Should ketchup be refrigerated? ›

Even Heinz weighed in on the subject a few years ago, stating that “because of its natural acidity, Heinz® Ketchup is shelf-stable. However, its stability after opening can be affected by storage conditions. We recommend that this product, like any processed food, be refrigerated after opening.

Does mustard need to be refrigerated? ›

While refrigeration will help maintain flavor, it's not necessary to refrigerate if you prefer to consume your mustard at room temperature. The recommended shelf life from the date of manufacture of French's Mustard is 18 months in a squeeze bottle, and 24 months in a glass jar.”

When should you avoid peanut butter? ›

Some people have peanut allergies, which can be fatal in some cases. Avoid all peanut products if you have a peanut allergy. Peanut butter contains a high amount of calories per serving. Make sure to moderate your portions to avoid unwanted weight gain.

How do you store peanut butter long term? ›

Follow the guide above and remember to store peanuts in airtight containers. An open jar of peanut butter stays fresh up to three months in the pantry. After that, it's recommended to store the peanut butter in the fridge (where it can maintain its quality for another 3-4 months).

Can cats eat peanut butter? ›

Although many cats love the taste of this salty and sweet spread, cat parents should avoid giving their feline friends peanut butter. It provides no nutritional value and, more importantly, certain ingredients, like fat and added artificial sweeteners, can be harmful or even toxic to cats.

Should you drain peanut butter? ›

Don't pour it out! It's actually a good sign of how natural your peanut butter is. All peanut butters in the US must contain at least 90% peanuts. That other 10% can be more peanuts or it can be a mix of seasonings and other oils.

Why is there a hole in my peanut butter? ›

why do I have a huge hole in my peanut butter? Hi there! Sometimes an air pocket can form while filling the jars during manufacturing. So we can help, shoot us a DM with the bar code and Best When Used By date from the jar.

Can bacteria grow on peanut butter? ›

Peanut butter is not a hospitable environment for most bacterial growth, but spores of bacteria and some strands of Salmonella can still reside in the inhospitable environment of peanut butter. It is important to be aware that peanut butter can still be contaminated with Salmonella Typhimurium[2].

Are there insect parts in peanut butter? ›

Peanut butter is one of the most controlled foods in the FDA list; an average of one or more rodent hairs and 30 (or so) insect fragments are allowed for every 100 grams, which is 3.5 ounces.

Can E coli grow on peanut butter? ›

As demonstrated in our results, Salmonella and E. coli O157:H7 can survive in contaminated peanut butter stored at room and refrig- erated temperatures for long periods of time and therefore, can pose a health risk to consumers.

Does peanut butter mold or go bad? ›

How do you know if peanut butter is bad? You won't find mold growing on it, but its high fat content means it can go rancid. (That's the same reason we don't recommend buying cooking oil in bulk.) Oxygen is the enemy here, and exposure to air can cause your peanut butter to develop off flavors.

Can you eat 50 year old peanut butter? ›

Technically, peanut butter can be eaten after its expiration date,” says Le. “However, peanut butter will become rancid over time due to exposure to oxygen in the air, which can create bitter, metallic and off-flavors that make eating peanut butter unappetizing.”

What is the number one brand of peanut butter? ›

The most popular brands are still JIF, Skippy and Peter Pan, due to consistency in quality and taste throughout the years. More consumers have turned to making their own spreads, as well as alternatives like almond butter or other nut butters.

Why is Peter Pan peanut butter out of stock everywhere? ›

Peter Pan is prioritizing its most popular inventory items to improve efficiency at the plant and keep up with demand. Other offerings have been temporarily axed from production lines because “we're not able to source the one-off ingredients or packaging items we need,” said Hudson.

Is peanut butter good for you to eat? ›

Peanut butter is loaded with so many good, health-promoting nutrients, including vitamin E, magnesium, iron, selenium and vitamin B6. Research shows that people who regularly eat nuts and nut butter, including peanut butter, are less likely to develop heart disease and type 2 diabetes.

Can dogs eat banana? ›

Yes, dogs can eat bananas. In moderation, bananas are a great low-calorie treat for dogs. They're high in potassium, vitamins, biotin, fiber, and copper. They are low in cholesterol and sodium, but because of their high sugar content, bananas should be given as a treat, not part of your dog's main diet.

Can dogs have Cheerios as a treat? ›

Can dogs eat Cheerios safely? Dogs can eat Cheerios without getting sick in most cases, but you should probably feed your dog something else instead if you want to give him a treat. “Cheerios are a fortified cereal marketed as a healthy breakfast option, but they are not something we should be offering our dog,” Dr.

Are there any fruits dogs can't eat? ›

What Fruits Are Not Good for Dogs?
  • Avocado. This fruit contains persin, a toxin that makes dogs throw up and have diarrhea.
  • Cherries. Cherry pits contain cyanide. ...
  • Grapes. Grapes can cause sudden kidney failure in dogs. ...
  • Tomatoes. The green parts of the tomato plant have solanine, which is toxic to dogs.
Dec 5, 2021

How long is peanut butter good for after the expiration date unopened? ›

You can keep peanut butter in the pantry for six to nine months (unopened) and two to three months (opened).

How long can you eat butter after it expires? ›

Refrigerated butter should last up to a month past the printed date if it's unopened. If the butter has been opened, it can last up to two weeks past that printed date. If you're storing the butter longer term, unopened butter stored in the freezer can last anywhere from nine months to a year past the date.

What happens if you don't refrigerate peanut butter? ›

If you don't plan on finishing your jar of natural peanut butter within a month or so, or if you live in a hot climate, consider refrigerating it. The oils in the peanuts can go rancid if it's not kept cool.

Should I keep peanut butter in fridge? ›

If you buy all-natural peanut butter — these are the ones that are unrefined and likely made with just ground peanuts and salt — you'll want to store jars in the fridge after opening, since the oils can go rancid very quickly.

Why doesn't peanut butter go bad? ›

It's hard for peanut butter to spoil because it's mostly fat—that's what makes it taste so good. Natural peanut butter only contains peanuts and sometimes salt, and while some nut butters also contain oil, sugar or stabilizers, there's nothing there to add any water.

What are the side effects of expired butter? ›

The first thing to do is, not panic as old butter cannot kill you or give you food poisoning. The worst that can happen is a stomach ache. Also, rancid butter can lower your vitamin E and vitamin B stores.

Does flour expire? ›

Does Flour Expire? Flour does have "expiration" dates, but that doesn't necessarily mean you can't use the flour. There are a few things to check before you toss that bag of expired flour. All flour sacks have a "best by" or "best if used by" date printed on their packaging.

Can you tell if butter is expired? ›

You'll know if your butter has spoiled because it'll smell rancid. You might also see some discoloration and changes in texture. Mold is also another really good sign that your food has turned.


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