Yatsuhashi is a kind of thin rice cracker that is made by baking the dough consisting of joshinko (komeko) (high-quality non-glutinous rice powder), sugar and cinnamon powder that has been rolled out thin and cut into the shape of koto (a long Japanese zither with thirteen strings), which is a rectangle convexly curved symmetrically to the longer axis.
上新粉（米粉）、砂糖、ニッキ（肉桂・シナモン）の粉末を混ぜて生地を作り、薄く焼き上げたせんべいの一種で、形は箏を模しており、長軸方向が凸になった湾曲した長方形をしている。