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Mason Jars: To boil or not to boil

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Greetings from Texas!

I'd like to make some holiday treats using mason jars, and I'm wondering if the jars have to be boiled first. Any thoughts?

To be more specific, I'd like to try two things. First, I'd like to layer cupcakes pieces and icing in jars. Second, I'd like to try baking cupcakes inside the jars.

I've seen several pictures of both, but none of the instructions explain if boiling the jars is necessary. Of course, I'll wash them; I just don't know if I need to boil them.

Thank you!

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  1. Since you're not intending to preserve in the jars, but simply use them as a cooking/presenting vessel, there would be no need to boil the jars. Think about how you use a regular baking dish; no need to boil those first.

    2 Replies
    1. re: CanadaGirl

      Thank you, CanadaGirl! My thoughts were along those same lines, too, but I questioned my logic. Since I've never canned before, I thought there might be something about that glass that required boiling. I am VERY happy to hear that isn't the case.

      I'll just run them through the dishwasher for a good cleaning, then fill them with cupcakes.

      Thanks again!
      ~Twoleggedpeach

      1. re: twoleggedpeach

        Also, if you do bake the cupcakes in the jars and intend to give them as gifts they will only last as long as they would if you baked them and left them on the counter. Sealing with the lids won't preserve it as if you had made jam with boiled jars.