"oceangoing vegetable"
by cm

Sauerkraut and Wurst
Creative Commons AttributionSauerkraut and Wurst - Credit: adactio, Flickr
Sauerkraut is cabbage fermented by lactic acid bacteria, which impart the sour taste.   It is a traditional part of German, Russian and East European cuisines, and is made by fermenting salted shredded cabbage in stone jars for up to a month.