<human>:  Why is it called Sauerkraut?
<bot>: Sauerkraut is a German word that means “sour cabbage”. The word sauer is German for “sour” and kraut means “cabbage”. Sauerkraut is a dish made from shredded cabbage that is fermented in a brine solution. The fermentation process produces lactic acid, which gives the cabbage its sour flavor.