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Iron Skillet Seasoning & Modification (Updated)

Iron Skillet Seasoning & Modification (Updated)
Updated, improved, and much, much more efficient and energy saving. Changes are in step 7.

I've long thought that the classic standard of American kitchens, the iron skillet needed a little work. Lodge makes great inexpensive skillets and other cast iron cookware, but my big gripe about their products is that they do not blast the interiors to make a smooth surface. I imagine that their stance is that, in the days of teflon and stainless, no one wants to pay more than about $25 on a heavy cast iron pot or pan. Though I can't imagine that bead blasting or some kind of milling would add that much more to the cost.

There are antique brands of cast iron pans out there that have smooth interiors. If you can find one, even one rusted to hell, buy and refurb it. You'll be very much amazed at how slick and nonstick these things are.

Some people say that they season their pans once a year, kind of like a spring cleaning thing. I do not. If its functioning well, I don't mess with it . . . well, usually not. This is modification and special new seasoning technique is the reason for my meddling with something that isn't broke.
 
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Step 1A New Season

A while back I was listening to Lynne Rossetto Kasper's show The Splendid Table on my local NPR station (89.3 WFPL). They began talking about seasoning cast iron and I had to try it (you know the feeling; you're an instructable-head too).

There is a lot of debate about what kind of oil to use when seasoning cast iron. Some people swear by lard, while others say that since pigs have been bred to be skinny genetic freaks their fat doesn't contain enough omega-3 fats to properly season a skillet. It's a debate that goes on and on. But I think this is the final answer.

Why Season?

It's an easy answer. The primary reason is to protect your investment. Seasoning creates a protective coating that stops your skillet from turning into a rusty mess. The second reason is that it it gives the pan a nonstick coating.

Nonstick?

Yes, it's nonstick, but don't expect a slick as teflon coat. If you want that, buy a cheap teflon pan. But if you want something that will out last you and be infinitely more versatile than a teflon pan, then cast iron is the way to go.

What Is Seasoning?

Good question. Essentially, you could say that it's a burned on coat of oil. To get more specific though, beyond the smoke point of an oil the fat begins to break down and polymerize into a hard coat for your skillet or pan.

If you want more information please go to this lady's site. I believe it was her that I heard on NPR that day.

http://sherylcanter.com/wordpress/2010/01/a-science-based-technique-for-seasoning-cast-iron/
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16 comments
May 12, 2011. 5:32 PMkill-a-watt says:
Nicely done.

I have an angle grinder (which is almost a necessity if you weld), but what grit flap disk did you start with?

Once the flap disk is done, any reason why you didn't follow it up with a smaller grit?
Jun 4, 2011. 9:33 PMkill-a-watt says:
Yes, got it.

Sand the pan well, wash well to remove all the grit, and then cook bacon ASAP.

I've been meaning to get out my orbital sander and having a go at a piece of imported cast iron, now I know to start with a flap disk. Thanks.
May 14, 2011. 4:36 AMsunshiine says:
I always wanted to know how to do this. Thanks for sharing!
May 9, 2011. 10:37 PMwirechief says:
You are ABSOLUTELY right!
May 9, 2011. 3:52 PMElmundo says:
A good 'ible, congrats if its your first! (I'm still lurking...). Not bad pics and nicely organized.

A couple points: Never ever use anything harsher than water and paper towel after its seasoned. Never ever. Bake something a little oily like cornbread in it once a month and you'll never have to season it again. mmmm....cornbread....

Don't buy a new pan if you can find one at a flea market or yardsale, with the work you have to put into it anyway, you might as well have something with some history. Not to mention you can usually get it cheaper.

A burner from a turkey fryer works really well as a field-expedient heating method rather than an oven, and it doesn't get as hot in the house. Keep the pan right-side-up though. No smoke inside either. Works almost as good for the cleaning cycle as well.

I also have one pan that I save for acidic sauces, like marinara etc, and only make them in that one pan. It seems to etch a couple layers of seasoning off everytime, but it keeps me from having to fool with my other 4.

May 9, 2011. 9:14 PMElmundo says:
Salt. Why didn't i think of that? I'll have to try it the next time something sugary or whatever gets crusty. Good tip!
May 9, 2011. 8:54 PMl8nite says:
I was lucky to find a couple of well used cast iron skillets while doing a house cleanout. Now I know they say to never wash your cast iron but these things were NASTY with caked on grunge covering the outside and the inside wasn't much better. I used an old screwdriver to scrap off most of the gunk and then started a roaring fire in the pit and added the 2 skillets, letting the fire burn down and the pans to cool overnight and the rest of the grunge came off easily. On the electric stove I brought the skillets up to HOT and added bacon fat then allowed everything to cool some what and also coated the outside of the skillet but not the bottom (rust prevention) I repeated a couple of times until I had a nice looking surface. I store my castiron skillets in the oven and let them stay there even when baking, they retain heat and help even out the heating cycles that many electric ovens go through. I have never had to resort to salt for cleaning, if something doesn't come out with a papertowel or gentle urging with a spatula, I heat the pan back up and it almost always releases.

Nice "ible" if I find another skillet that needs loving I may try the smoothing technique

May 9, 2011. 2:17 PMbr3ttb says:
An excellent writeup of Sheryl Canter's method! I've used it with success as well. She advocated cooling the pan back to room temp between firings though, so that's what I did. I'll need to try just throwing it back in after re-coating. much faster!

I also second the importance of sanding. The cure can only fill in microscopic imperfections, not the moonscape surface that comes on standard cast iron.
May 9, 2011. 12:16 PMSunkicked says:
So, after talking about this for almost a year, you've finally broken down and done it and made an Instructable to boot! Mazel tov!

Also, props for the B.A. Ninja reference.
May 9, 2011. 1:47 PMflyingpuppy says:
I'm off to season my five cast iron pans. Thanks!
May 9, 2011. 1:01 PMjessyratfink says:
This is really useful and well explained! Thanks for sharing! :D

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Author:dlewisa(Darren)
I'll try to fix or build anything.