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Dry vermouth

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How long does it last? Is 5 years (opened) ok? Should it have been refrigerated? I only need 2/3 cup for cooking with it & don't want to buy a new bottle or use a cup of white wine instead (that, I prefer to drink).

Thanks.

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  1. If is has been opened and not refrigerated, it is likely flavored vinegar. Depending on the recipe, you can probably find a cheap vermouth that will taste much better than the old stuff. White wine may work, again depending on the recipe.

    1. Vermouth will oxidize once opened. An open bottle will go bad after 2-3 months tops. An open bottle in the fridge will last probably 8-10 months. If you are just using to cook it it could be ok, but will probably have a slightly off flavor.

      1. Opened for five years and not refrigerated? Throw it away!

        If you won't drink it, don't cook with it.

        1. ANY wine should be refrigerated after it's opened. I'm amazed at how many people don't know that.

          We're not talking about port, BTW. That will last for quite a while unless it's a vintage bottle.

          1 Reply
          1. re: HaagenDazs

            Porto, too, will lose aromatics -- especially older Tawny Porto or Colheitas. About the only thing I've found that doesn't suffer from being open over an extended period of time is Madiera.

          2. I've never had long-opened vermouth turn to vinegar or even taste bad.

            Interesting question how it differs from a fresh bottle. I'll try to remember to compare next time we're running out.

            1 Reply
            1. re: Robert Lauriston

              Old/poorly stored vermouth is one reason your Manhattan or martiini may taste off or odd in a bar that doesn't use vermouth often.