We use freezer zip-lock bags for stuff like soup. Allows us to pack the bags flat in our big standing freezer to take up way less room. As for the jars, we have kept jams and jellies in jars in the freezer for years without issue.
this post was submitted on 21 Jan 2026
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Yeah, I was thinking about zip-lock bags. I want to just grab the soup jar and put it in my launch bag. I'm worried that zip lock bags wont hold up to being in launch bag.
Ah yeah the bags could be a little awkward in a lunch box or bag. I'd be worried about something poking a soup bag after it thaws, hemorrhaging soup into my lunch box 😅
I'd suspect the jars should do you just fine, especially if you're looking for single servings.
There are a ton of canning groups that can guide you on best practices, but just be sure to leave enough head space and you'll be fine. The more fat in the soup the more head space is needed. When I freeze bone beef broth (very fatty, I don't skim the fat cause I want it for later flavor) I'll go as low as the top line on the curvature of the jar. But most only need an inch
I had a jar crack, because I don't know what I'm doing. I infer it's best to cool the soup completely first in the fridge, then allow it to freeze.
And now all the people who can't resist correcting me will chime in. Go for it!
Yep, also if you can do the initial freeze with the lid off thats also going to help prevent cracking.
I completely object to this on the grounds that you asked me to. Pure nonsense and you got it all wrong.
Leave a room for expansion. When I had an upright freezer I used them without issue. But we have a chest freezer now and I worry about them dropping onto one another.
For what it is worth, I don’t freeze anything in glass.