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  #1   ^
Old Sat, May-02-20, 06:47
BawdyWench's Avatar
BawdyWench BawdyWench is offline
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Plan: Carnivore
Stats: 212/179/160 Female 5'6"
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Location: Rural Maine
Default "Can You Really Cook with Olive Oil" blog post from Dr. Cate Shanahan

Dr. Cate just published a new article on cooking with olive oil. What do you all think?

https://drcatedev.wpengine.com/can-...with-olive-oil/

Quote:
The short answer is yes. Of course you can. Trouble is, the Canola and Soy oil industry are threatened by olive oil, and want us to ignore olive oil’s multi-thousand year track record of serving as a delicious and life giving food for the Romans, the Greeks, the Albanian–and the rest of the Mediterranean. So the edible oil barons had to get creative to convince consumers to mistrust culinary history and tradition as ample evidence of safety.

What did they come up with?

“The edible oil industry cooked up a scary sounding problem: smoke point.”

You’ve probably heard the term “smoke point” and probably correctly guessed what smoke point means. The smoke point is the point at which an oil literally ignites and burns, creating a visible wisp of blueish smoke. The RBD (Refined Bleached Deodorized) seed oil industry makes the claim their products are better to cook with because they have a “better” (higher) smoke point–meaning that their products have a better ability to tolerate higher temperatures without literally smoking.
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  #2   ^
Old Sat, May-02-20, 09:09
Ms Arielle's Avatar
Ms Arielle Ms Arielle is offline
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Plan: atkins, carnivore 2023
Stats: 200/211/163 Female 5'8"
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Progress: -30%
Location: Massachusetts
Default

While Im all for EVOO, I no longer use precious olive oil for sauteing. We use coconut oil or homemade tallow. Even butter is reserved for flavor at the end of sauteing because it is very expensive ( and grassfed organic is worth every dime.)
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  #3   ^
Old Sat, May-02-20, 12:18
Dodger's Avatar
Dodger Dodger is offline
Posts: 8,765
 
Plan: Paleoish/Keto
Stats: 225/167/175 Male 71.5 inches
BF:18%
Progress: 116%
Location: Longmont, Colorado
Default

The smoke-point argument is misleading.

https://health.usnews.com/wellness/...ls-smoke-points

Quote:
In the Acta Scientific Nutritional Health study, 10 of the most commonly used cooking oils were selected from the supermarket and heated in two different trials. In the first, the oils were heated for about 20 minutes until they reached 464 degrees Fahrenheit. In the second trial, the oils were heated in a deep fryer to 356 degrees Fahrenheit, the highest temperature recommended for deep-frying foods, for six hours.

In both tests, extra virgin olive oil displayed the greatest oxidative stability, producing lower levels of polar compounds, trans fats and other byproducts when compared with other oils that had higher smoke points.

"Smoke point does not correlate with the timing when the oil starts to break down or lose stability," explains Selina Wang, research director at the University of California—Davis Olive Center. While olive oil has a moderate smoke point, its stability may be due to its high levels of antioxidants as well as monounsaturated fats, she says. (Note: While extra virgin olive oil was the most stable oil when heated, coconut and other virgin oils such as avocado followed close behind.)

In a 2010 Food and Chemical toxicology study, when researchers fried various types of olive oil, only after 24 to 27 hours of frying were the oils considered to be harmful. And in a 2015 Food Chemistry study, when researchers deep fried and sautéed potato, tomato, eggplant and pumpkin, antioxidant levels of the foods actually increased, showing that olive oil continues to deliver nutritional benefits even when cooked at a high heat.
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  #4   ^
Old Sat, May-02-20, 13:38
Ms Arielle's Avatar
Ms Arielle Ms Arielle is offline
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Plan: atkins, carnivore 2023
Stats: 200/211/163 Female 5'8"
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Default

Too bad the study only used oils and disreguarded beef fat. That is what McDs used until forced to change to "healthy" oils. Wonder how many hours the fat was at full heat before changing to a fresh batch.

Not convinced eating their fries now is anything other than a health hazzard.
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  #5   ^
Old Sat, May-02-20, 15:28
Bonnie OFS Bonnie OFS is offline
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Plan: Dr. Bernstein
Stats: 188/150/135 Female 5 ft 4 inches
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The way to get around smoking oil is to not cook food at such ridiculously high heat! I've learned over the years what cooks best with butter, bacon fat and olive oil, & use what works. Nothing smokes. (Unless I accidentally set the burner too high & walk away from it.)

I don't cook with beef fat much - in spite of loving it - because it's not often on hand. I'll have to change that.
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  #6   ^
Old Sat, May-02-20, 18:07
Ms Arielle's Avatar
Ms Arielle Ms Arielle is offline
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Plan: atkins, carnivore 2023
Stats: 200/211/163 Female 5'8"
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Default

Quote:
Originally Posted by Bonnie OFS
The way to get around smoking oil is to not cook food at such ridiculously high heat! I've learned over the years what cooks best with butter, bacon fat and olive oil, & use what works. Nothing smokes. (Unless I accidentally set the burner too high & walk away from it.)

I don't cook with beef fat much - in spite of loving it - because it's not often on hand. I'll have to change that.



I asked at a number of butcher shops until one said yes. They keep back a few pounds for me once a week. To render, put in oven proof pan , 300F for wharever time it takes.
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  #7   ^
Old Sat, May-02-20, 18:25
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Kristine Kristine is offline
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Plan: Primal/P:E
Stats: 171/145/145 Female 5'7"
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Location: Southern Ontario, Canada
Default

Bonnie, that's been my strategy, too. I always have an assortment of fats and oils on hand, even chicken fat or sausage grease just left over from cooking, and I just cook with them more on the "low n' slow" side.

The only time I cook "fast n' furious" is the odd time I'm doing steak or fatty pork chops in the cast iron pan, and I want the sear. (ETA) Also stewing beef or roast in the Instant Pot, but I'd be using tallow anyway, and I use the 'low' setting on the IP.

With butter, I always try to keep clarified butter on hand - I make 2 lbs at a time - and save the regular butter just to use as a topping for veggies and what not.

Olive oil - blech. I save it for when I'm making a Mediterranean dish and I want to taste more authentic.

For tallow, I got a lot of it by buying beef soup bones for broth - the big huge knuckle bones. I was actually surprised by all the fat that came off. The broth is long gone now, but I've still got all that dang tallow.
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  #8   ^
Old Sat, May-02-20, 20:57
Verbena Verbena is offline
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Plan: My own
Stats: 186/155/150 Female 5'4"
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Location: SW PNW
Default

Quote:
Originally Posted by Ms Arielle
I asked at a number of butcher shops until one said yes. They keep back a few pounds for me once a week. To render, put in oven proof pan , 300F for wharever time it takes.


I haven't rendered tallow, but I do a load of lard every year or so. I find I have very good success, and not all that much work, by putting the fat in my slow cooker, turning it on, and letting it do it's thing. It goes somewhat faster if I am willing to either chop up the fat, or put it through the meat grinder first. But it is fine even if I don't do that. As enough fat renders off I ladle it through a sieve into a scrupulously clean canning jar. Once full, I put a new canning lid on, screw it down with the jar lid screw, and, as it cools, it will pull a vacuum. This isn't, of course, the equivelent of canning, but the lard is stable enough, and the seal good enough, that I have kept it in a cool cellar quite successfully for a year or more. Or in the freezer, if that makes one more comfortable.
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  #9   ^
Old Sun, May-03-20, 03:21
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WereBear WereBear is offline
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Plan: EpiPaleo/Primal/LowOx
Stats: 220/130/150 Female 67
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Default

Quote:
Originally Posted by Dodger
The smoke-point argument is misleading.

https://health.usnews.com/wellness/...ls-smoke-points


Of course it is. They want us to eat industrial lubricants.
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  #10   ^
Old Sun, May-03-20, 09:15
Bonnie OFS Bonnie OFS is offline
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Posts: 2,573
 
Plan: Dr. Bernstein
Stats: 188/150/135 Female 5 ft 4 inches
BF:
Progress: 72%
Location: NE WA
Default

Quote:
Originally Posted by Verbena
I haven't rendered tallow, but I do a load of lard every year or so. I find I have very good success, and not all that much work, by putting the fat in my slow cooker, turning it on, and letting it do it's thing. It goes somewhat faster if I am willing to either chop up the fat, or put it through the meat grinder first. But it is fine even if I don't do that. As enough fat renders off I ladle it through a sieve into a scrupulously clean canning jar. Once full, I put a new canning lid on, screw it down with the jar lid screw, and, as it cools, it will pull a vacuum. This isn't, of course, the equivelent of canning, but the lard is stable enough, and the seal good enough, that I have kept it in a cool cellar quite successfully for a year or more. Or in the freezer, if that makes one more comfortable.


Suet is the same, right? I found a package of it hiding in the freezer that I'd bought on sale a while back.
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  #11   ^
Old Sun, May-03-20, 12:57
Verbena Verbena is offline
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Plan: My own
Stats: 186/155/150 Female 5'4"
BF:
Progress: 86%
Location: SW PNW
Default

Lard is the fat from pigs; leaf lard is the "special" fat from around the kidneys. Tallow is the fat from cows; suet is the fat from around the kidneys. I have recently read that the fat from sheep, and, I believe, deer, is also called tallow.
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  #12   ^
Old Sun, May-03-20, 15:21
Ms Arielle's Avatar
Ms Arielle Ms Arielle is offline
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Posts: 19,231
 
Plan: atkins, carnivore 2023
Stats: 200/211/163 Female 5'8"
BF:
Progress: -30%
Location: Massachusetts
Default

We use the beef tallow for frying potatoes. I have teens that are on the low side of the BMI scale and xan eat a ton of potatoes. Especially when the fresh dug potatoes were brought in for storage, they love to make homemade fries. yes, omg good. Its the tallow that deepens the flavor.

From what I have read, all the fats and oils are damaged with high heat. We use the fat only once for frying, so fries are a rarw treat.
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