Napa cabbage
Kimchi is fermented vegetables, usually "baechu" (Napa cabbage), seasoned with chili peppers and salt. This is the essential "banchan" of a standard Korean meal. Some Koreans do not consider a meal complete without kimchi. Kimchi can be made with other vegetables as well, including scallions, "gat" (갓), and radish (무; "mu").