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You are here: Home / How To / Smoke Point of Oils

Smoke Point of Oils

By: Courtney Published: June 9, 2018 2 CommentsUpdated on: October 8, 2018

This post may contain affiliate links. Please see my disclosure policy for more information.
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Every oil has a high smoke point and low smoke point. Always use the best oil for cooking by knowing the smoke point of oils.

Smoke Point of Oils

We all have at least one type of oil in our home, if not 10, am I right? Well there’s a reason to own more than one oil and that is because all oils have different uses, flavors, but most importantly, they have different smoke points.

Oil is great for roasting, baking, searing, deep frying, sautéing, and even making marinades. You have to be careful choosing which oil for each cooking method. All oils have a different smoke point. When you’re seasoning your cast iron pan you want the high smoke point cooking oil. We use avocado oil with the highest smoke point for all of our cast iron cookware.

check out our roasted broccoli and cauliflower

how to roast broccoli and cauliflower

what is a smoke point?

Ever heat butter or oil so hot that it starts smoking? Season your cast iron with extra virgin olive oil, then when you go to cook it smokes up the entire house.

Once the oil or fat reaches a certain temperature it starts to smoke. So for example, Algae oil has a 485 degree F smoke point, once the oil reaches that temperature it will start to smoke.

Most refined oils (filtered, heated at high temperatures) will have a higher smoke point, whereas unrefined oils will have low smoke points and shouldn’t be heated. This is why some will mix an oil with butter in a pan before searing something, this allows the lower smoke point oil/fat to reach a higher than usual smoke point.

Another reason you don’t want to heat your low smoke point oils is you damage all of the benefits of the oil. It will cause the oil to degrade and it will not be as healthy as if you used it to a lower smoke point as intended. Oils begin to break down when they reach their smoke point.

Unrefined oils will have a lower smoke point while refined oils have a higher smoke point with a neutral flavor. Examples of unrefined oils are walnut and toasted sesame oils, which are perfect for finishing a recipe, not cooking with it. Refined oils have a neutral taste. Refining the oil removes the fatty acids and impurities, which make the oil smoke before refining.

smoke point of oils

here is a list of commonly used oils. 

  • avocado oil smoke point 520
  • rice bran oil smoke point 490
  • algae oil smoke point 485
  • clarified butter smoke point (ghee) 485
  • soybean oil smoke point 450
  • peanut oil smoke point 450
  • sunflower oil smoke point 440
  • corn oil smoke point 440
  • olive oil smoke point 410
  • vegetable oil smoke point 400
  • canola oil smoke point 400
  • grapeseed oil smoke point 392
  • lard smoke point  370
  • vegetable shortening smoke point 360
  • extra virgin olive oil smoke point 350
  • coconut oil smoke point 350
  • butter smoke point 350
  • sesame oil smoke point(refined) 350

It’s not uncommon to for most kitchens to have just extra virgin olive oil as their all-purpose oil, it’s a great oil, but it’s definitely not all-purpose, as it has a lower smoke point than other oils. A virgin olive oil smoke point is higher than extra virgin olive oil smoke point.

Previously we have used coconut oil for baking and roasting, but have found many mixed opinions on using this for cooking. Coconut oil is said to have a 350°F smoke point, not ideal for roasting veggies at 425°F.

When you overheat an oil you’re destroying many of the benefits of that oil. This is why it’s important to know the smoke points for the oil you plan to use before cooking.

Here’s a handy oil smoke point chart you can save for later or even print for your kitchen.

smoke point of oils chart

 

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posted in: How To

Meet Courtney

Fruit and Veggie lover. I love making produce fun and delicious, not to mention taking tons of pictures in the process! :-)

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  1. channah rachel herrmann says

    November 13, 2018 at 2:08 pm

    thank you. so frying with avocado oil is ok? i don’t understand
    i thought that heat turns any oil into poison is that not true? thanks for your help i appreciate it

    Reply
    • Courtney says

      November 15, 2018 at 6:21 pm

      Hi Channah!

      Certain oils should not go beyond their smoke points. The fumes can be dangerous and overwhelming. Avocado oil is excellent for frying, but good Avocado oil can be pricey.

      Reply

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