How To Remove Rancid Oil-Cast Iron Care

How To Remove Rancid Oil-Cast Iron Care

In a meager attempt to explain how to remove rancid oil and take good care of our cast iron skillets and dutch ovens, we must first discuss what rancid oil is.

Bacon grease and vegetable oil will season any pot, and do it very well. But, if the pot or skillet is not used after a period of time, the grease that was used to season your cast iron could become rancid….Houston?? We have a problem!

What Is Rancid OilHow To Remove Rancid Oil

Pots and pans often go unused and are put on shelves. Many times they are simply stored away somewhere until needed.

As time goes by, our pots and pans may become rancid. What in the world is rancid you may be wondering? Well technically, it is actually called rancidification…rancid for short, which is the oxidation of fats, fatty acids, and edible oils.

Why Should We Care

If you have ever smelled a rancid pot, then you already know what I’m talking about. If not, well let me say this, it stinks and that just may be putting it mildly.

A stinky pot is not good. Why? Well, it could ruin your favorite recipe. At a bare minimum, it will affect the taste of your food. And simply put, that’s not a good thing.

What Should We Do

In conclusion, if you find your cast iron becoming rancid, there are things you can do to remedy this situation. Therefore, if you know you won’t be using your pans for a while, don’t re-oil them. Simply wash them as usual and put them back on your heat source and heat them until dry.

But, if they have become rancid already, add a cup of vinegar to the pot and fill it the rest of the way up with water. Put it back on the heat source and boil for about 30 minutes or so.

As a result, you will begin to see the oil separating from the cast iron into the boiling water. Consequently, you will need to pour the vinegar water out and dry as usual.

The pan is now ready for use. The next time you want to use that piece of cookware, apply a light coat of oil and cook away!

4 thoughts on “How To Remove Rancid Oil-Cast Iron Care”

  1. Thank you Mike!

    Great information!!! I too was looking for information on rancid smell. I do tend to use my dutch ovens infrequently. So, this was most helpful!

  2. Thanks Mike, my problem is a rancid cast iron pot. Your idea is the first to show the cure for a very old pot.

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