A friend of mine gave me a jar of her corn relish. It was so delicious I asked for the recipe

cynupstateny

Well-known member
A friend of mine gave me a jar of her corn relish. It was so delicious I asked for the recipe. It has a lot of tomato and cider vinegar in it but it also has a cornstarch slurry to thicken. How can I tell if it’s safe to can with a water bath?

 
i love corn relish but when making it no corn starch. Maybe look at other recipes

and see how they compare. I think corn starch might "break" when canned? Litmus will tell you if it is acidic enough and I don't recall the number it should be.

 
REC: Pickled Corn Relish inside, recipe calls for a minimum of flour to thicken:

Corn starch can lose its thickening ability in the presence of (too) much acid, and since this is a tested recipe (exactly as written) I recommend this one. It is thickened with flour.

If you make this, you can reduce or omit any of the dry spices. The amount of vinegar MAY NOT be omitted OR reduced as the vinegar is what preserves the low-acid veggies (corn, peppers, celery and onions) in this recipe. For the first time make the whole batch and see if you like it; you can give it away as gifts if there is too much.

Also, remember that the flavor will change for the better with time in the jars. So before you decide if you like it, let the sealed jars set 4 to 6 weeks and give it a taste. If you have followed proper BW bath procedures this will be good for a long time if you store it in a cool, dry, place.

Try the recipe as written and see what you think. Have fun!

Here is the recipe from the National Center for Home Food Preservation *NCHFP (link to recipe below):

Pickled Corn Relish

10 cups fresh whole kernel corn (16 to 20 medium-size ears), or six 10-ounce packages of frozen corn
2-1/2 cups diced sweet red peppers
2-1/2 cups diced sweet green peppers
2-1/2 cups chopped celery
1-1/4 cups diced onions
1-3/4 cups sugar
5 cups vinegar (5 percent)
2-1/2 tbsp canning or pickling salt
2-1/2 tsp celery seed
2-1/2 tbsp dry mustard
1-1/4 tsp turmeric

Yield: About 9 pints

Please read Using Boiling Water Canners before beginning. If this is your first time canning, it is recommended that you read Principles of Home Canning.

Procedure: Boil ears of corn 5 minutes. Dip in cold water. Cut whole kernels from cob or use six 10-ounce frozen packages of corn. Combine peppers, celery, onions, sugar, vinegar, salt, and celery seed in a saucepan. Bring to boil and simmer 5 minutes, stirring occasionally. Mix mustard and turmeric in 1/2 cup of the simmered mixture. Add this mixture and corn to the hot mixture. Simmer another 5 minutes. If desired, thicken mixture with flour paste (1/4 cup flour blended in 1/4 cup water) and stir frequently. Fill jars with hot mixture, leaving 1/2-inch headspace.

Canning times will be in the following link.

https://nchfp.uga.edu/how/can_06/pickled_corn_relish.html

 
I have been canning for years but only from approved sources. This is the recipe

I'd like to use but she got it on a scrap of paper from a friend. Just concerned that it has enough acid in it so no one gets sick

Corn Relish

8 cups fresh corn
1 1/2 c chopped pepper
1 1/2 c chopped tomatoes
1 c chpd onion
2 1/2 c cider vinegar
3/4 cup sugar
4 tsp dry mustard
2 tsp black pepper
2 tsp pickling salt

Bring to boil, turn heat down to gentle boil and cook 5 minutes.

Stir 3 Tbsp cornstarch with 2 tbsp water. Add to relish. Cook until slightly thickened. Cook 2 minutes more.

Ladle into hot jars and process in boiling water bath 15 min.

 
Same with me as I am an MFP, approved recipes/sources only. But, a suggestion:

You could go ahead and make the recipe as shown then BW bath can it THEN store it in the fridge

 
Mistral, thank you for sharing all your master food preserver tips and advice over the years. It's

been super helpful!

 
You can probably use Clearjel thickener safely instead of cornstarch (more)

I have a couple of apple trees and would love to get Clearjel (which is approved for waterbath canning) so that I can make jarred pie filling. It's incredibly difficult to find in Canada, but as I'm a few blocks from US border,I'd normally order from Amazon and ship it to my US mailbox, but Covid border closures has nixed this year's plans.

 
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