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Metal measuring cup stuck on mason jar -- HELP!!!

See photo. HELP! I tried running the measuring cup under icy water, I tried using a knife slipped underneath the edge of the cup, to no avail.

I honestly don't know how this happened. Was pouring some powdered sugar into the cup and I just let it slip a little. Really don't want to sacrifice this measuring cup.

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    1. Try running the cup under hot water. Metal expands when heated.

      1 Reply
        1. re: TOChowgirl

          That's my last resort option...was hoping to not have to do that.

        2. The problem is that you must expand the metal at the rim. If you pour hot water on it as shown, you are just heating the bottom. The rim won't get hot enough.

          Pour boiling water in a pan, then Invert the jar and put the measuring cup into the water, but not so the water reaches the glass of the jar. Or better, stan the jar inverted, then add hot water to the necessary level.

          3 Replies
              1. re: arielleeve

                Try it again, but first refrigerate the whole thing for awhile, then dip the cup into simmering water while the glass is still cold.i

            1. If it were me, I would wrap the jar with attached measuring cup in two layers of plastic shopping bags, then wrap it in an old towel and then put it on a cutting board, or the floor of the garage, and then smack it with a hammer right on the shoulder of the jar. If it is struck too low, the threaded portion of the jar might remain stuck on the metal after the jar is broken.

              9 Replies
              1. re: John E.

                I was hoping to salvage the jar, too. I guess that was wishful thinking. Also, NYC = no garage...

                1. re: arielleeve

                  I think Alan might be onto something, however I usually have little patience to solve these sorts of problems I and jump to the quickest, and usually

                  1. re: arielleeve

                    I agree with JohnE and Alan. Invert your photo, and put the cup and the jar inside a pan fill with water. Now, boil the water.

                    1. re: Chemicalkinetics

                      I'm still thinking smashing the jar is the way to go. My thought is, get it done already.

                      1. re: John E.

                        <I'm still thinking smashing the jar is the way to go.>

                        We are men. We think differently. :D

                        1. re: John E.

                          Perhaps this will be my only option. I'm not in a huge hurry to use the measuring cup. If I have to do that, it's gonna have to wait until my husband gets home :)

                            1. re: arielleeve

                              As a husband, scratching his head, I gotta ask, how did this occur?

                              You were pouring the sugar into the measuring cup, the jar slipped a little, and bam! It's stuck in the neck of the jar?

                              It is entertaining how these little problems in our lives end up taking up much of our thinking prowess.