1. The filling in Daoxiangcun beef tongue cake is a mixture of cooked sesame + sugar + salt + pepper powder.

2. Beef tongue cake is a famous traditional snack in Beijing. This snack is also available in Heilongjiang, Taiwan, Shanxi and other places. Beef tongue cake, named after its shape like ox tongue, is a common baked variety in Beijing snacks.

3. Daoxiang Village (Suzhou) originated in 1773, 248 years ago. At that time, it was called "Suzhou Daoxiang Village Tea and Restaurant". When Emperor Qianlong went to the south of the Yangtze River and tasted Daoxiangcun pastries in Suzhou, he praised it as "an excellent food and a rare delicacy" and inscribed a plaque on it, making it famous all over the world. Daoxiang Village adheres to the "craftsman spirit" in its products, and traditional handicraft skills are passed down from generation to generation through the method of "master leading apprentice". It has been passed down to the sixth generation since its inception.