July 19, 2012

Canning Corn on the Cob

In all fairness, I have to say that canning corn hasn't been the easiest thing I've canned, but it will be MORE than worth it when the wind is howling and the snow is falling this winter.

I hope I don't scare you off by saying that because it really isn't a big deal to do.

Tip #1 - First of all, make sure you know where the corn has come from.  If you buy it from a roadside or farmers market stand beware.  Be sure and know what type of corn it is.  Corn is one of the biggest crops that has been genetically modified and you don't want to feed it to your family.  

Tip #2 - If the ears of corn look incredibly perfect, walk away, it's been covered in chemical sprays, no matter what they tell you.  When it's organic corn, you will see a worm every once in a while.  That doesn't mean every ear will have worms, it just means that as you go shucking through a dozen ears, you might find a few worms.  Usually it is on the tips of the ears which you can just cut off.

Tip #3 - Be sure to ask when the corn was picked, the fresher the better.  

When you get home with your corn, find a good place to shuck it.  This time around, I found an old empty box and shucked it inside the house due to the extreme heat outside.  Usually, we gather the chairs around in a circle on the front porch and have a "corn shucking" frolic.  Be sure to throw your scraps to the chickens, they LOVE scratching around in them. 

Once the ears are shucked, wash them.  Run your hand down the ears or get a small veggie brush to help remove extra silks that didn't get pulled off.

Cut the ends off if needed.

Gather your canning jars and make sure they are clean and sterile.  Personally, I don't sterilize my jars when using the pressure canner.  The jars have already been sterilized in the dishwasher and put away and the pressure canner will sterilize whatever is in there.  

Using a cookie sheet to catch the kernels, stand your corn on its end and cut the kernels off.

The way I do it is called the Raw Pack process, check your canning book for the Hot Pack process.  

Fill your jars with the kernels, leaving about 1" (inch) of headspace.  Don't shake your jars to work the corn down and don't press it down either.  Fill your jars loosely.  Your corn will need the extra space as it cooks.

Add a teaspoon of salt per quart or 1/2 teaspoon per pint.

Pour boiling water over the kernels, leaving 1" (inch) headspace.  Remove any air bubbles by running a knife around the inside edge of the jar.

Wipe the rims of the jars, making sure they are clean and put your lids on.

Corn has to be processed in a pressure canner.  I process mine, using my steam pressure canner, according to my Ball Canning book which states 85 minutes at 10 lbs of pressure for quarts, 55 minutes for pints.  That is a long time so you might want to add a bit of extra water to your pressure canner so it won't boil dry.

Be sure to involve the family, have fun with it and enjoy God's marvelous bounty!


  1. I can corn also but hate that it takes so l-o-n-g. I like to can corn in pints for casseroles and soups. Then I freeze some corn off the cob also and also corn on the cob is frozen. I am thinking about experimenting with dehydrating it. Yours looks great! I have one more batch in the garden that should be ready by next week if I can keep the coons out of it..

  2. Sharon,

    Your corn looks good :-)
    Thank you for the tip about buying corn from the farmers market or road side stand.
    Sandy, Oklahomatransient.blogspot.com

  3. I remember canning corn with my grandmothers..all together shucking and cutting. These days I freeze my corn on the cob, but love having as many helping hands around as I can get!

  4. I am seeking info about canning corn on the cob. I normally freeze my corn but I was wondering if I can pressure can corn on the cob. My Mom said she thinks my grandmother used to can corn on the cob but she can't remember how she did it. I am experenced at canning so I know about the safty measures I need to take. Can I put the corn (still on the cob) in the jar and can it that way? Also, if I can the corn on the cob will it pick up the taste of the cob? Thanks so much for any help.

    1. I'm not sure about having it taste like the cob, that is a great question. That sounds like a question for the knowledgable woman at www.sbcanning.com. She is great for answering questions like that! Yes, you pressure can corn for sure. Be sure to use an extra inch of water because it takes longer I found out the hard way. Consult your canning book for exact times and pressure.

  5. Rita -
    No you should NOT can corn with the cob. There is no way to determine that the core temperature of the jar has reached 240F for the correct amount of time.


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