Can you reuse peanut oil?

In this brief study, we are going to answer the question, “can you reuse peanut oil?”. We will also discuss the types, storage, shelf life, and nutrition properties of peanut oil.

Can you reuse peanut oil?

Yes, you can reuse peanut oil several times within the six-month storage period, but sterilize it before each additional use by allowing it to succeed in 350 degrees F before adding any food.

Does overheating affect oil quality?

Yes, overheating oil during cooking increases the possibilities of early spoiling, but peanut oil features a high smoking point of 447.8 degrees F, meaning that it overheats less easily than vegetable oil and lots of other common cooking oils.

What are the steps to Reuse Frying Oil?

Fry Right

Temperature control may be the explanation for most deep frying disasters. Carefully maintaining the temperature prevents the food from getting too soggy (when the oil is just too cold) or blitzed on the surface and raw on the inside (when the oil is just too hot), but it also preserves the longevity of your oil. If the oil gets too hot, it’ll start breaking down. A “broken” oil is unstable and can turn your food greasy and nasty long before even cooking it.

Filter the Fat

After the primary (and each subsequent) fry, you’ve got to empty the oil and filter it. Any impurities and unwanted extras (like loose crumbs or bits of batter) are getting to wreck the oil’s integrity, burning next time you crank the warmth.

Types of peanut oil

There are two main sorts of peanut oil.

Refined peanut oil 

Often utilized in fast-food chains, it goes through a refining, bleaching, and deodorizing process. These processes remove the allergic protein component of the peanuts. As a result, even individuals with a peanut allergy can consume food cooked in refined groundnut oil.

Gourmet peanut oil

Gourmet peanut oil doesn’t undergo a refining process and contributes a peanut aroma and flavor to the food. Gourmet peanut oils usually contain high levels of vitamin E and phytosterols.

How to store peanut oil?

You should store peanut oil in the same way you store every other vegetable oil: within the pantry, closed tightly. If that bottle of oil you only opened should last for quite a year, and you’ve got some space within the refrigerator, then place it there.

When you are storing used frying oil, don’t leave it during a deep fryer. Instead, you pour it into a plastic or glass bottle once it cools down. Always use a strainer to prevent any food particles when doing that. Also, don’t pour used peanut oil into an unused one.

How To Tell If Peanut oil Is Bad?

Oils usually don’t go bad as most food does. Oils, however, go rancid.

You can catch rancid oil by its smell and taste (the same way you notice rancid peanuts). If it smells rancid, or the odor is unpleasant in any way, the oil is perhaps rancid and you ought to throw it out.

Very slight changes of color are quite normal after using the oil, but if the oil has become much darker, get rid of it. If the smell is okay and therefore the peanut oil looks fine, provide it a taste. If there’s nothing wrong with the taste, be happy to use it. Otherwise, toss it out. If you’re unsure if it is still good, it’s always better to discard it, just to get on the safe side.

As already mentioned, you must discard it after using it a couple of times. The more times it’s used, the more severe the quality.

Other FAQs about Oils which you may be interested in.

Does MCT oil go bad?

Can you put coconut oil in the fridge?

Does Olive Oil Go Bad?

Can you leave coconut oil in your hair for days?

How Long Does Peanut Oil Last?

Peanut oil, like other vegetable oils, features a “best by” or “use by” date on the label. That date indicates how long the oil should remain at the best quality.

Of course, it doesn’t go bad or rancid overnight. You can it easily for months, or maybe a few years, past that date. The particular shelf life of your peanut oil depends on its quality and if it’s been refined. Better oils last longer and refined ones tend to stay better.

How long does Peanut Oil last once open? 

If it is opened, shelf life does not reduce drastically. It lasts a minimum of a year, possibly more. Just make sure the bottle is usually closed and sits within the pantry. 

Unopened peanut oil – “Best by” + 1 – 2 years

Opened peanut oil– 6 – 12 months

Used peanut oil – 3 – 5 uses or about 2 weeks

Nutrition Information of Peanut oil

Peanut oil is rich in vitamin E, an antioxidant that gives many protective benefits against chronic disease. This, alongside its healthy fat content, means peanut oil is often an excellent addition to your diet — as long as you consume it carefully.

One serving (1 tablespoon) of groundnut oil contains:

Calories: 119

Fat: 14 grams

Saturated Fat: 2 grams

Protein: 0 grams

Fiber: 0 grams

Sugar: 0 grams

Peanut oil also contains nutrients like:

  • Vitamin E
  • Monounsaturated fat
  • fat
  • Phytosterols
  • Omega-6 fatty acids


In this brief study, we answered the question, “can you reuse peanut oil?”. We also discussed the types, storage, shelf life, and nutrition properties of peanut oil.


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