Kefir or kephir (/ kəˈfɪər / kə-FEER), alternatively milk kefir or búlgaros, is a fermented milk drink that originated in the Caucasus Mountains made with kefir "grains", a yeast / bacterial fermentation starter. It is prepared by inoculating cow, goat, or sheep milk with kefir grains. Traditional kefir was made in goatskin bags that were hung near a doorway; the bag would be knocked by anyone passing through to help keep the milk and kefir grains well mixed.\n\nAnswer this question: where did the first kefir grains come from? Let's think fast. Stream of consciousness:
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The relevant information is: Kefir or kephir (/ kəˈfɪər / kə-FEER), alternatively milk kefir or búlgaros, is a fermented milk drink that originated in the Caucasus Mountains made with kefir "grains", a yeast / bacterial fermentation starter. So the final answer is the Caucasus Mountains.
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