Xu Collection, Lower Volume Radical: Eat (shí) Kangxi Strokes: 12 Page 1416, Entry 12 Pronounced tuo. Yu Pian (Book of Characters) states that bo-tuo is a type of baked good. Yangzi Fangyan (Regional Speech) states that a baked good is called a tuo. Qimin Yaoshu (Essential Techniques for the Welfare of the People) states that wheat is suitable for making bing-tuo. Biography of Li Maozhen in the History of the Five Dynasties writes it as bu-tuo. Wang Pizhi in Mianshui Yantan (Conversations at the Mianshui River) writes it as tuo. Pianhai (Sea of Characters) states that it is sometimes also written in a variant form. Textual research: Yu Pian states bo-tuo is a type of baked good. Following the original text, corrected to bo-tuo.