klmama Posted February 28, 2009 Share Posted February 28, 2009 I prefer to freeze my soups in jars, as I'm not comfortable with pouring hot soup into plastics. I always cool the jars overnight in the refrigerator before trying to freeze the soup. I always leave 1/2" headroom. Sometimes it works fine, but sometimes the jars crack. It seems that I've had better success with soup with veggies/meat over plain broth. Is there something I'm missing? Is there a way to make this work more consistently? Thanks! Quote Link to comment Share on other sites More sharing options...
In The Great White North Posted February 28, 2009 Share Posted February 28, 2009 I leave more headroom, as some have "risen" in the jar an inch or more. Quote Link to comment Share on other sites More sharing options...
hornblower Posted February 28, 2009 Share Posted February 28, 2009 I ditto the more headroom. I leave about an inch in the quart jars. Otherwise I'd wonder if the jars are older and have hairline cracks? And make sure you're using thick canning jars, not just regular used jars from purchased items.... Quote Link to comment Share on other sites More sharing options...
amyco Posted February 28, 2009 Share Posted February 28, 2009 I recently had a quart jar of chicken broth crack in the freezer...and one that didn't. The jar that cracked was the kind that is narrower at the top than at the sides. The jar that didn't crack was had the same diameter all the way to the top (wide-mouth). I am not sure if I didn't leave enough head space in the cracked jar, or if as a friend suggested, it tried to rise up (expand) after freezing and cracked anyway, even with headspace. I am only going to use wide-mouth jars for freezing from now on, for sure! Quote Link to comment Share on other sites More sharing options...
Tracy in Ky Posted February 28, 2009 Share Posted February 28, 2009 I think that the only mason jars that are safe for freezing are those that have straight sides all the way up to the neck. Do a google search on it and check. If you look in a store at the boxes of Ball jars, you will notice that some say "freezing and canning" and some are just for canning. Quote Link to comment Share on other sites More sharing options...
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