Arrowroot tea
Arrowroot tea, also called kudzu tea, is a traditional East Asian tea made from East Asian arrowroot, a type of kudzu. == Names == Arrowroot tea is called gegen-cha (葛根茶) in Chinese, kuzuyu (葛湯; くずゆ) in Japanese, and chikcha (칡차), galgeun-cha (갈근차; 葛根茶), and galbun-cha (갈분차; 葛粉茶) in Korean.