Is it OK to freeze a glass jar of Jam?
Avery Gonzales
Published Mar 01, 2026
Is it OK to freeze a glass jar of Jam?
Considerations for Glass. Glass jars should be sturdy to withstand freezing. Since jam doesn’t dramatically expand as it freezes, it’s safe to use sturdy, thick-sided glass jars. Plastic containers also work well.
Can a glass jar be put in the refrigerator?
Give them a quick shake and you can easily pour out the desired amount. The rest goes straight back into the freezer. Fluids on the other hand should be thawed slowly at first. Ideally you should place the jars into the refrigerator for a few hours. Never place jars straight from the freezer into hot or boiling water.
Can you freeze a full jar of jellies?
Jams and jellies can be easily frozen. Store jam and jelly in the freezer. Freezing jelly or jam is as simple as packaging it and finding a spot in your freezer. It’s best to freeze full jars of jam, so be sure to fill the container to about 1/2 inch from the top.
What’s the best way to freeze a mason jar?
3. Cool before freezing mason jars. You’ll want to avoid temperature extremes when freezing food in glass. Don’t put warm jars directly into the freezer. Instead, put jars of broth or soup in the refrigerator overnight, then transfer to the freezer.
Considerations for Glass. Glass jars should be sturdy to withstand freezing. Since jam doesn’t dramatically expand as it freezes, it’s safe to use sturdy, thick-sided glass jars. Plastic containers also work well.
Is it safe to freeze a mason jar?
Yes. You can freeze glass jars of almost any variety as long as a few precautionary steps are taken. Three simple steps to safely freeze mason jars.
Jams and jellies can be easily frozen. Store jam and jelly in the freezer. Freezing jelly or jam is as simple as packaging it and finding a spot in your freezer. It’s best to freeze full jars of jam, so be sure to fill the container to about 1/2 inch from the top.
What’s the best way to reuse glass jars?
Reuse glass jars from the supermarket for storing bulk dry food, not freezing. Mason jars have thicker glass and are sturdier than recycled jars. To prevent breakage, your best bet for freezing jars is to use straight-sided mason jars. This allows the food inside to shift upwards as it freezes.