We had some leftover champagne from New Year’s Eve… Don’t judge. Since it sat out all night, I figured the expensive champagne was flat and undrinkable. I almost poured it down the drain but that seemed like such a waste of a nice wine, so I decided to try making vinegar. I mean, why not?  I had nothing to lose and if it turned out well, much to gain. Well, luckily my ‘science experiment’ worked out pretty well and I now have several bottles of lovely champagne vinegar.  Champagne vinegar is delicious and has a more delicate flavor than red wine vinegar and is expensive to buy in a store. Best of all it’s so easy! If you find yourself in a similar situation after a party with leftover wine, STOP!  Don’t pour it out!  Instead, turn it into a delicious homemade vinegar.  I have only one caveat. It is…