Sauerkraut, the tangy condiment that's a crowd-pleaser

Its origins stem from China, Korea and Germany, and today it's never far from a hot dog (or, if you're attending the annual Sauerkraut Festival in Waynesville, Ohio, a pizza or donut). Jonathan Vigliotti talks with Sandor Ellix Katz about how fermentation produces sauerkraut, and checks out the process at Real Pickles, a Massachusetts co-op that also produces chile, turmeric and kimchi varieties.

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