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How Long Does Peanut Oil Last? Does it Go Bad?

As a fry-lover, have you ever wondered how long that bottle of peanut oil will last in your kitchen cupboard?

With its high smoking point, desirable flavor, and extensive list of health benefits, peanut oil is a favorite among chefs and home cooks alike.

However, like any other cooking ingredient – Does peanut oil go bad? And if so, how long does it typically last before becoming unusable?

In this blog post we’ll delve into some common questions about the shelf life of this popular cooking oil to help ensure that you get optimal quality from every drop.

What’s Peanut Oil?

Peanut oil is a type of edible cooking oil commonly used in Chinese, South Asian, and Southeast Asian cuisine.

It’s made by pressing groundnuts – or peanuts – that have been shelled and cleaned of their skins.

Peanut oil is known for its distinct flavor, which adds a nutty note to the dishes it is used in.

Peanut oil is highly valued for its high smoke point, which makes it useful for frying foods at high temperatures.

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The robustness and neutral flavor of peanut oil make it a great choice for marinades and dressings as well as for stir frying vegetables.

When using it as an ingredient in other recipes, one should be sure to look for versions labeled “cold-pressed” to get the most out of the flavor and health benefits of the oil.

How to Store Peanut Oil?

When it comes to storing peanut oil, there are a few things you need to keep in mind.

Peanut oil is sensitive to light and heat, so it’s important to store it in a cool, dark place.

You also want to make sure the container is airtight so that the oil doesn’t oxidize and go bad.

The best way to do this is to store the peanut oil in a dark glass bottle with a tight-fitting lid.

If you’re planning on using the peanut oil within a few months, you can store it in the pantry.

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But if you want it to last longer, it’s best to store it in the fridge or freezer.

Just make sure to bring the oil back to room temperature before using it, as cold oil will solidify and be difficult to work with.

How Long Does Peanut Oil Last?

Peanut oil is a type of vegetable oil that is derived from peanuts.

Peanut oil is popular in many parts of the world and is often used for cooking.

Peanut oil has a nutty flavor and can be used to fry foods or as a salad dressing.

Peanut oil is also sometimes used in cosmetics and massage oils.

So how long does peanut oil last? When stored properly, peanut oil can last for up to two years.

Peanut oil should be stored in a cool, dark place.

If you are using peanut oil that has been stored for more than six months, it is best to smell it before using it to make sure it has not gone bad.

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Peanut oil that has gone bad will have a rancid odor.

If you are unsure whether your peanut oil has gone bad, it is best to err on the side of caution and throw it out.

It is better to be safe than sorry when it comes to food safety.

Can You Freeze Peanut Oil?

Yes, you can freeze peanut oil. Peanut oil is a type of vegetable oil that is made from peanuts.

It is a popular ingredient in many Asian and African dishes.

Peanut oil has a high smoke point, which makes it ideal for frying food.

It also has a neutral flavor, so it does not alter the taste of food.

Peanut oil is also relatively inexpensive. It can be frozen for up to 12 months.

To freeze peanut oil, pour it into a freezer-safe container.

Make sure to leave some headspace at the top of the container, as the oil will expand as it freezes.

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Label the container with the date and contents.

Place the container in the coldest part of your freezer.

When you are ready to use the frozen peanut oil, thaw it in the refrigerator overnight.

You can then use it as you would any other type of vegetable oil.

How to Tell If Peanut Oil is Bad?

If you’re not sure whether or not your peanut oil has gone bad, there are a few things you can do to check.

First, take a look at the color of the oil. If it’s darker than it was when you first bought it, that’s a sign that it’s starting to go bad.

Peanut oil should be a light golden color.

Next, give the oil a sniff. If it smells rancid or off, that’s another sign that it’s time to toss it.

Peanut oil should have a mild, nutty aroma.

Finally, try cooking with the oil. If it smokes or smells burnt when you cook with it, that means it’s definitely time to get rid of it.

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Peanut oil has a high smoke point, so if it’s starting to smoke when you cook with it, that means the quality of the oil has deteriorated and it’s no longer good for cooking.


In conclusion, peanut oil does go bad. However, it has a relatively long shelf life.

Properly stored, peanut oil will last for 18-24 months.

Peanut oil should be stored in a cool, dry place and in a dark colored container.

If stored correctly, you can tell if peanut oil is bad by its smell and appearance.

Yield: 1 Serving

How Long Does Peanut Oil Last? Does it Go Bad?

How Long Does Peanut Oil Last? Does it Go Bad?
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes


  • Peanut oil
  • Air-tight containers or Ziplock bags
  • Labels and markers


  1. Store your product in an labelled container in a cool, dark place like the pantry or fridge.
  2. If your food is frozen, allow it to thaw in the fridge before cooking.
  3. Make sure to look for signs that your food has gone bad before eating it.
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