Bok choy is a member of the Chinese cabbage family and is sweet, crispy, juicy. Serve as a side dish or over steamed brown rice or soba noodles. The next day add broth to the leftover bok choy for a beautiful nutritious soup. Bok choy holds a lot of sand be sure to clean as directed here. Trim the bottoms of the bok choy to separate the stalks. Discard the bottoms. In a large bowl filled with cold water, gently wash the bok choy in several changes of water until thoroughly cleaned. Sand and grit will settle in the bottom of the bowl.