Homemade champagne vinegar
Here is something you can do with leftover champagne. Champagne vinegar is expensive to buy as is champagne so using it to make vinegar is easy and delicious. It lasts for a very long time.
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1Pour champagne into a glass cup, dish or jar. Cover with plastic wrap and make several holes in the wrap. Let it sit at room temperature for six weeks and you will have a lovely vinegar that will last for a very long time unless you use it up first.