Waterbath sealing a jar of jam that has 1.5" headspace left?

I've never had this happen! My final jar of cherry-cardamom jam came up just short and has about an inch and a half of head space. Can I waterbath seal it safely, or should I just put this one in the fridge?

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em-i-lis June 23, 2012
Gotcha! Thanks all. It was more than would fit in a tiny jar and then I'd just have the same problem was my first response. Then I got lazy (third batch in 2 days) and didn't feel like sterilizing a new tiny jar. Aah well. :) Guess I'll just have to eat it. SO good.
 

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arcane54 June 23, 2012
I agree, refrigerate and use first. To consider next time you're cooking up a batch of preserves: those teeny-tiny canning jars come in handy (I think they fit about a half-cup or less). I always wash 2-3 when I can jam to accommodate those awkward but precious last bits. They make a a nice hostess gift (with or without a basket of biscuits or scones). Cherry-cardamom jam sounds delicious!
 
ChefOno June 23, 2012

Happens to me every time.

Stick it in the fridge and use it first. Too much air can lead to oxidization / discoloring and the jar might not seal properly with the extra space.

 
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