Rub vanilla beans with the dull edge of a knife to evenly distribute the seeds, then cut the beans in half lengthwise. Place in bottle of vodka.
Seal the bottle, and set in a cool dark place for 4 to 6 months, shaking occasionally, until the flavor of the extract has mellowed. The clear vodka will turn a nice deep brown. When the extract is ready to be used, clean and sterilize several small bottle with screw-on lids, and fill with homemade extract. Add a label, tie on a ribbon, and you'll have a beautiful little gift to give.
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