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Can you use rancid oil to season cast iron?

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shezmu Nov 30, 2011 10:21 PM

Hello, folks! I'm been lurking for about a month or so and I must say that I absolutely love these boards. You could go mad trying to read through the sheer amount of info stored on these boards. That said, this is my first post here, so please be gentle.

With that out the way, I'm looking to get into cast iron cooking and I was wondering if I could use flax seed oil that has gone bad to season cast iron cookware. Not using it to cook or anything like that, just the direct oven method. I ask this because it is my understanding that flax seed oil isn't exactly good eats or even a good cooing oil, so I'll only be interested in using the stuff for seasoning. With such a low amount that I'd be using, I'd imagine that it's likely that a bottle of flax seed oil would go bad long before I could go through it.

Also, it would be nice to be able to just throw the stuff in the pantry in an air-tight jar or something instead of taking up variable fridge space.

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  1. SanityRemoved RE: shezmu Dec 1, 2011 06:38 AM

    Check out this thread, it's long but a lot of experiences are described: http://chowhound.chow.com/topics/757023

    1 Reply
    1. re: SanityRemoved
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      shezmu RE: SanityRemoved Dec 1, 2011 07:29 AM

      Oh yeah, I think I should have just posted that on that topic. My bad.

    2. m
      mpalmer6c RE: shezmu Dec 3, 2011 02:42 AM

      Just to play it safe. why not use non-rancid oil?
      The cost is minimal.

      3 Replies
      1. re: mpalmer6c
        Chemicalkinetics RE: mpalmer6c Dec 3, 2011 05:42 AM

        +1. I agree to this. I also think the flax seed oil seasoning has been reported as very functional by many here. Though the method actually has minimal impact in the long term.

        1. re: Chemicalkinetics
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          shezmu RE: Chemicalkinetics Dec 3, 2011 07:13 PM

          @mpalmer6c - I've never been one to like to spend money when I don't have to, so I was trying to see what my options were.

          1. re: shezmu
            Chemicalkinetics RE: shezmu Dec 3, 2011 07:16 PM

            :) Not sure who you want to talk to. Either way, my suggestion is to use regular cooking oil. Not extra virgin olive oil of course.

      2. Jay F RE: shezmu Dec 3, 2011 06:45 AM

        I'm sure you could, but why would you want to? Your food would taste like rancid oil.

        1 Reply
        1. re: Jay F
          alkapal RE: Jay F Dec 30, 2011 05:45 AM

          exactly!

        2. g
          GH1618 RE: shezmu Dec 3, 2011 10:16 AM

          An interesting article: "Rancidity in Foods"

          http://www.cip.ukcentre.com/Rancidity...

          1. i
            INDIANRIVERFL RE: shezmu Dec 3, 2011 11:19 AM

            I believe this is a matter of false economy for dubious savings.

            1. jmcarthur8 RE: shezmu Dec 4, 2011 10:29 AM

              Flaxseed oil is the same as linseed oil. I'd be afraid my food would smell like an old painting.

              Fresh, clean vegetable oil will make the effort worthwhile.

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