Is oil on top of natural peanut butter normal?

Yes. Oil separation is completely normal in natural peanut butter. Peanuts naturally contain oils and, over time, those oils rise to the top of the jar. A quick stir mixes everything back together and the peanut butter returns to its normal texture.

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If you’ve ever opened a jar of natural peanut butter and seen a layer of oil sitting on top, you’re not alone. It’s one of the most common questions people ask about peanut butter.

The short answer is simple. Natural peanut butter goes oily because peanuts naturally contain oils. When peanuts are ground into peanut butter and left to sit, those oils slowly rise to the top.

It might look unusual at first, but it’s completely normal and actually a good sign.

If you’d like to learn more about peanut butter and how it’s made, you can also read our Complete Guide to Peanut Butter.

Why Oil Separation Happens

Peanuts contain natural oils. When roasted peanuts are ground into peanut butter, those oils mix into the spread.

Over time, gravity does its thing and the oil slowly separates and rises to the top of the jar.

This happens especially in peanut butter that contains simple ingredients and no added stabilisers.

The result is a layer of peanut oil at the top and a thicker peanut butter below.

Is Oily Peanut Butter Bad?

Not at all.

In fact, oil separation usually means the peanut butter contains fewer added ingredients. Many processed peanut butters include stabilisers or palm oil specifically to prevent oil from separating.

Natural peanut butter skips those extras and relies on the peanuts themselves, which is why separation can occur.

For many people, this is actually a sign the product is closer to its natural form.

How to Fix Oily Peanut Butter

Fortunately, fixing oil separation is very easy.

All you need to do is stir the peanut butter when you first open the jar. A spoon or butter knife works well.

Once mixed together, the peanut butter should return to a smooth, spreadable texture.

Some people like to store their peanut butter upside down for a while before opening it. This helps the oil move through the jar and can make stirring easier.

Choosing Natural Peanut Butter

If you prefer peanut butter made with simple ingredients, natural peanut butter is usually the best place to start.

Natural peanut butter typically contains roasted peanuts and sometimes a little salt. That simplicity is what allows the natural oils to behave the way they do.

You can explore our natural peanut butter range made with roasted peanuts and straightforward ingredients.

For those who enjoy experimenting with flavours, our flavoured peanut butter collection includes combinations like caramel crunch and honey & sea salt.

Is Oily Peanut Butter a Good Thing?

Although it can look unusual at first, oil separation is usually a sign that peanut butter contains fewer stabilisers and more natural ingredients.

A quick stir is all it takes to bring everything back together.

For peanut butter fans, it’s simply part of enjoying a more natural spread.

Try Clever Peanut Butter

If you’re looking for peanut butter made with roasted peanuts and bold flavours, explore the Clever Foods range.

Browse our flavoured peanut butter collection

Or discover our natural peanut butter range

Peanut Fact

Americans eat enough peanut butter every year to coat the floor of the Grand Canyon. Thankfully, most of it ends up on toast.