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Home Canning Myth buster: Do Jars have to be Sterilized?

Down through the years the recommendation has been that you sterilize your canning jars in boiling water for ten minutes before filling with hot pack foods.

But the National Center for Home Food Preservation has recently stated that if your food will be processed for 10 minutes or more at 1000 ft altitudes and below, there is no need for pre-sterilizing the jars as they will be sterilized in the heating process.

Most jelly and jam recipes call for 10 minute processing so that means that a good rinse with very hot water should be enough to preheat the jars and prevent cracking when you add the hot food.

This advice was a big surprise to me and of course if you are iffy about the saftey and just want to be extra cautious then what is an extra few minutes to make sure your food is at optimum safety for your family?  This can be especially true if you are planning to gift canned food at the holidays.

However if you are pressed for time it is nice to know that you can save some time!


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