What’s the Deal with Oil?

I get asked a lot of questions about cooking oils. What’s the best to use? What to avoid? What is the best for baking/cooking? I am going to try to explain it all in this post.

What's the Deal with Cooking Oil

Cold Dishes

Avocado oil –  Avocado oil is pressed from avocados and is 50% monounsaturated, which also makes this a heart healthy oil.  I often use avocado oil in cold salads.  It has a mild nutty flavor.

Flaxseed Oil – Flax oil is a no heat oil that is best used in cold dishes and dressings.  It is another oil with a high amount of heart healthy monounsaturated fats.

Olive oil – Olive oil is high in antioxidants and polyphenols.  Both of those have been linked to a healthy heart.  Olive oil is also a monounsaturated fat, which helps keep the bad cholesterol (LDL) low and it can give the good cholesterol (HDL) a boost.

Sesame oil –  Sesame oil is also high in antioxidants and it adds great flavor to any dish.

Hot Dishes

Avocado oil – Avocado oil also has a high smoke point and can be great for high heat cooking.

Coconut oil – Coconut oil is solid at room temperature and contains no cholesterol, so it can be a great alternative to butter.  It’s a great vegan option as well.  If you are worried about the taste coming through into your dishes, don’t be.  I have not noticed that a strong coconut flavor comes through at all.  It is also high in polyphenols, which protect against heart disease.  Coconut oil has a moderately high smoke point, so it is great for sauteing.

Grape seed Oil – Grape seed oil has a moderately high smoke point, so it is a good choice for cooking.  If you buy it, make sure it is cold pressed to assure you get the benefits.  Grape seed oil is high in vitamins C and E.  It also contains some beta carotene.

Hemp Oil – Hemp oil is another great source of omega 3 fatty acids.  It has a rich, nutty flavor.  I have not tried it myself yet, but it seems a healthy option.

Macadamia Oil – I have never used macadamia nut oil, but it does have a bold flavor and a medium high smoke point.  It is also a good source of monounsaturated fats, making it a heart healthy oil.

Peanut Oil –  Peanut oil is a high heat oil that has a healthy balance of fats.  However, it is technically a legume, and should be avoided by anyone on a paleo diet.  For others, it can provide great flavor to your Asian dishes.

Toasted Sesame Oil – Toasted sesame oils adds great flavor to stir fries and other Asian dishes.  I love that the flavor is enhanced and a little goes a long way.  It has a lower smoke point that sesame oil, so it is best for a quick saute, rather than a deep fry.

Walnut Oil –   Walnut oil is a good source of omega 3 fatty acids.  It has a medium smoke point which would be great for light sauteing.

Baking

Coconut oil –  I love using coconut oil in baking.  Because it is partially solid at room temp, it is a great replacement for butter.  I am not saying butter is bad for you, just not vegan.  I don’t use it.  If you choose to use butter, please make sure that it is pastured – meaning it came from grass fed cows.  Very important since a lot of cows eat GMO corn.  I make sure to buy unrefined coconut oil.  I love Nutiva Organic Coconut Oil.

Grape Seed Oil –  As I mentioned above, grape seed oil has a fairly high smoke point, so you can use it in baking as well as cooking.

Walnut Oil – Walnut oil has a nutty flavor that is great in salad dressings as well as some baking recipes.  Be careful not to use it too much since it does have a higher amount of omega 6 fatty acids.  It is also a good source of omega 3 fatty acids.

Oils to Avoid

Canola – Canola oil comes from rapeseed, which is one of the most genetically modified foods.  It is also very high in Omega 6 fatty acids which can sometimes promote inflammation.  Since canola oil is added into a lot of processed foods, most Americans get way more than needed.  This is what Natural News says about Canola oil.

In addition to the genetic modification, the process of making Canola oil is troubling. The procedure involves a combination of high-temperature mechanical pressing and solvent extract, usually using hexane. Hexane! Even after considerable refining, traces of the solvent remain. Like most vegetable oils, Canola oil also goes through the process of bleaching, degumming, deodorizing, and caustic refining, at very high temperatures. This process can alter the omega-3 content in the oil, and in certain conditions bring the trans fat level as high as 40 percent.

Corn Oil –  Corn oil is almost always genetically modified unless labeled organic or non GMO verified.  That alone is a good reason to avoid it.  GMO corn is designed with it’s own pesticide built in.  That is pretty disturbing to me.  If you eat processed foods, you diet contains high amounts of corn oil, because it’s in everything!

Safflower oil –  Safflower oil is another oil that is very high in omega 6 fatty acids without a lot of omega 3 fatty acids to balance it out.  Again, safflower oil is used a lot in processed foods, so you may already be unknowingly getting it in your diet.

Soybean oil –   Another big GMO offender.  Soybean oil should be avoided as well.  In processed foods, soybean oil is often partially hydrogenated making it a trans fat.  Trans fats should be avoided at all costs.

Sunflower oil – While sunflower oil can be a good source of vitamin E, it is very high in omega 6 fatty acids.  In order to balance those omega 6 fatty acids out, you will need to make sure you are getting enough omega 3 fatty acids in your diet as well.  I choose to not use it at all.  If you look at the labels in processed foods, many of them contain sunflower oil, so you may be already getting too much in your diet.

Vegetable Shortening –  Vegetable shortening is shelf stable and has a long shelf life.  It is dangerous because it can often contain trans fats if the oils have been partially hydrogenated.  I would avoid this all together.

I hope that has cleared up some of the confusion.  I definitely learned a few new things writing this post.

 

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127 thoughts to “What’s the Deal with Oil?”

  1. Great post--Thanks for the info. I had noticed some of the oils you've used. I haven't really branched out beyond olive, coconut, and sesame. This is helpful.
      1. I second that! I make popcorn with coconut oil on the stove, and then add butter and salt. (It isn't as greasy as it sounds!) Simply divine!!! :)
        1. Could you possibly list all of the ingredients that you use when popping popcorn on the stove? Also, could you list the steps on how to make the stove popcorn? Thanks!
          1. I have been meaning to write a post on popcorn. I kind of wing it, so next time I make it, I will measure everything out and write a post on it.
  2. Thanks for the great post! Where can you find avocado oil? It sounds great (and I love avocados)! It may be worth mentioning to avoid heating olive oil because it can become carcinogenic at high temperatures. I know lots of people that still use it on the stove top.
    1. Yes, that is a good point about the olive oil. I knew that, but forgot to mention. That is one of the reasons olive oil is just under cold dishes. Avocado oil can be found at most health food stores.
  3. Thank you so much for sharing. I can feel overwhelmed and confused as I try to learn this "new to me" way of eating. I appreciate you!
  4. If a product has the USDA Organic Seal, does that mean it is GMO free? I checked my bottle of coconut oil by Spectrum and it says it is refined. I thought since it had the USDA Organic seal I did not have to worry about it being a GMO product.
  5. I've heard that palm oil may be good also. What are your thought5? Also, I've heard refined coconut oil may also be good when you don't want any coconut flavor in cooking. I also use the unrefined Nutiva brand( I love it!), but I've thought about trying the refined for certain dishes(some members in my family say they can taste coconut a little in certain dishes.) What is your opinion? Thanks! (:
    1. Yes, I have heard that as well. In fact, Nutiva sent me a sample of their new red palm oil just yesterday. I haven't tried it yet though.
    2. I don't like palm oil. Today, almost all palm oil is produced in, and exported from, Indonesia and Malaysia; but most of the time not using sustainable measures. Vast areas of pristine rainforest is slashed and burned each year in order to make way for oil palm plantations. Many orangutans and other wildlife are killed in the process, so that this one vegetable oil can be used in many of our everyday foods and products. This large-scale deforestation is pushing orangutans to extinction, along with many other native species of Borneo and Sumatra. I recommend looking for "sustainable palm oil".
  6. Great break down! I would only remind people of two things: 1) Grape seed oil has excellent heart health benefits (and is great for searing, for those who sear meat or fish), and, like all of the "best" fats, is great for skin too. 2) My husband's cousin recommended coconut oil to lower cholesterol (he lowered his dramatically). So my husband used it in most everything he cooked for himself. The trouble is, this cousin and my husband do not have the same genetic make up---and they had different cholesterol issues. My husband has very low "good" cholesterol (despite my use of olive oil and such always), and high triglycerides. Coconut oil raises triglycerides (which we did not know until last month). His cousin, however, had normal triglycerides, and normal "good" cholesterol, but high "bad" cholesterol and the use of coconut oil lowered that number rapidly (and he lost tons of weight). So know your exact cholesterol profile and what genetics you are dealing with when you choose which oils to use!
    1. I don't know too much about it since I am vegan, but I am assuming it is okay because butter is okay too. As long as it comes from grass fed cows and is organic.
  7. This was my latest personal question in my food journey. Thank you for answering it! I love flax oil for salad dressing & as butter on popcorn with nutritional yeast. Just beginning to use coconut oil thanks to your recipies and I am loving it.
  8. Just wanted to chime in! Great breakdown, but I'll mention a few things as an expert in avocado oil :) 1. Avocado oil only carries a high smoke point when refined. The bright green virgin avocado oil carries a smoke point similar to olive oil, about 350F. The only way avocado oil can achieve a 500+F smoke point is when refined. 2. Grapeseed oil, even though it has a high smoke point, should never be used for cooking. It is almost 90% polyunsaturated fat, the most unstable of all fatty acids. These delicate fatty acids are extremely sensitive and susceptible to rapid oxidation and should never be heated, despite the smoke point of the oil. Hope this info helps with any high heat cooking questions you or your readers might have! Cheers :)
      1. Interesting. Doctors recently gave us that breakdown on Olive Oil heating (never heat it if you want the positive effects of it). Grape Seed Oil wasn't given that breakdown, however. Hmmm. But, since they both have similar benefits perhaps that is logical. Too bad, though, as nothing I've found sears as well as a few drops of grape seed oil. Since I can't use coconut oil for that purpose due to my husband's trigylcerides, and my avocado oil just doesn't do it (as it is unrefined), I'm wondering what is left that could work.
        1. I would think that grape seed should be fine to cook with. If you are doing light sauteing, you can try toasted sesame oil?
  9. Thanks for the post. I have been researching the oils because I have heard different things about them. I also know how they are used makes a difference. So here's my new question... I make my own mayonaise now because of the junk (preservatives, etc.) that is in store bought mayo. I basically use it for ranch dressing, and cole slaw or sandwiches, and I like that it is fresh...what does the emulsion process do to the health element of the oil? I usually use canola oil or olive oil, which I now realize I will need to make some changes there. Which oil do you think is best for making mayo.
    1. Glad it could help! I'm not sure about the mayo. You don't cook it do you? If it's kept cold, olive oil should be fine. Same with avocado oil.
      1. No I don't cook it, but it has vinegar and lemon juice in it which I think causes a chemical reaction which would cook it. I like this better than any store bought mayo I have used. the recipe came from the Food Network Channel and I twicked it a little to suit my own tastes. I am curious, what do you use on sandwiches for a dressing?
        1. I make a white bean pesto that is awesome on sandwiches. I also use mustard and sometimes I will spread avocado on my bread.
          1. I don't believe there is a reaction of any impact with the lemon and olive oil. Homemade mayonnaise is great and far healthier than store bought, of course. I have used Walnut Oil, Olive Oil (Classic), and Avocado Oil as well as Grape seed oil and combinations of the above.
          2. Good to know. I didn't think it would be an issue. You are right. Homemade is so much better!
      1. Mayonaise 2 Large Egg Yolk 1/4 tsp salt 1/2 tsp Dijon Mustard 1 1/2 tsp lemon juice 1 tsp white vinegar 3/4 cup macadamia nut, olive, coconut, sesame or avacado oil Whisk all but the oil 30 seconds, until yolk thickens. Add the oil in a thin stream while whisking vigorously, for about two minutes. Can use a food processor or blender with a feed tube to stream in the oil while mixing and save the wrists and elbows.
      2. Michelle, I thought I would share the mayo recipe I use. I have tried several but I finally came up with one of my own. 1 Med egg 1/2 ts. sea salt 2 pinches of sugar 2 ts. fresh lemon juice 1 Tbsp white wine vinegar 1 cup oil Combine lemon juice and vinegar, set aside. In a blender or food processor on low mix egg slightly to mix yolk and white. Add salt and sugar. Then half the vinegar/lemon juice. Set speed to processor on med, start adding oil a few drops at a time until mixture starts to thicken, then let oil run in a steady stream until half is in then add the rest of the lemon juice/vinegar. I stop and stir a time or two,. Continue mixing until you have the consistency desired. Leave at room temperature 1-2 hours the refrigerate for up to one week. This makes about 1 1/2 cups. The original recipe came from the food network but I didn't like some of the seasonings so I left out some of their ingredients. I have also used lime juice instead of lemon, and you can experiment with oils to suit your tastes. It was so much fun learning to make this it inspired me to try making my own recipes on some other things as well..
  10. SO GLAD YOU DID THIS POST! Thank you! I often forget, so this will be the perfect reference! I never knew until just recently that olive oil isn't a "high heat" oil...oops haha.
  11. I love the Nutiva coconut oil, too!! My favorite. I'm fairly new to the world of coconut oil, but am starting to use it more and more. Find new uses for it everyday!

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