Introduction to hot slate glutinous rice cake: Zhongshan Ancient Town snacks are famous for hot slate glutinous rice cake. The cooked glutinous rice cake is glutinous but not sticky. Adding soybean flour and white sugar makes it sweeter and very delicious. Since 2007, the ancient town has held the Slate Rice Cake Festival every August 15th. The sticky and sweet rice cakes symbolize family harmony, sweet life, and peaceful reunion.