On May 6th, 2009, the traditional folk pastry "Wudu Cake" disappeared for more than 60 years reappeared in Kutokuhayashi Vegetarian Restaurant. Kutokuhayashi, after consulting a lot of historical materials and discussing with folk experts, finally decided that Fanmao crispy Udon cake is the authentic Udon cake. In the production process, the traditional crispy characteristics were restored, and five kinds of fillings, such as jujube paste, bean paste, ginkgo and rose, were carefully prepared according to the principle of health preservation, and five images of snake, scorpion, centipede, gecko and toad were printed on the cake surface, thus restoring the authentic "five-poison cake". Adopt the special production technology of cakes.

On the Dragon Boat Festival in 2009, a traditional food that has been extinct in Beijing for at least 60 years-"Wudu cake" once again became a hot spot for holiday consumption.

From Daoxiang Village, where the "Five Poisons Cake" was first restored, to many businessmen who came from behind, behind the revival of Beijing's "Five Poisons Cake" was the merchants' excavation of the traditional folk culture and economic value represented by this food. "The' Five Poisons Cake' is just in line with the current' nostalgic thinking', which is what Beijing's' time-honored' restaurants are now vying for." Xu Miao of the marketing department of Kutokuhayashi vegetarian restaurant said. Their restaurant also launched a vegetarian "five poison cakes". However, how to innovate in tradition has also become a problem that Kutokuhayashi and his opponents think about.

If it weren't for the "praise" of her 8 1 year-old mother-in-law, Bai, a 45-year-old pastry chef, wouldn't want to redo the "five poison cakes", then Xu Miao, a 26-year-old, would still have a headache for opening up the Dragon Boat Festival market. In 2009, Kutokuhayashi, a time-honored brand, launched the vegetarian "Five Poisons Cake", which was the painstaking efforts of three generations of "Old Beijing" for half a year.