Those Clever Little Grapes

I can’t even remember how this conversation started while we were at Auckland International Airport today because our daughter Mary was going to visit her older sister, Catherine.  Catherine is interning for Google in Sydney.

Did you know that cream of tartar which you combine with baking soda to provide a raising agent for biscuits or cakes comes from grapes during wine making?

Who would have thought those clever little grapes help us with our baking!

Extra Info From Me

The chemical name for cream of tartar is potassium bitartrate.  Its formula is KC4H5O6.  It’s the potassium acid salt of tartaric acid.

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