Zongzi

Zongzi are the glutinous rice dumplings eaten at the time of the Dragonboat Festival in China. Containing various fillings like mango paste, red bean or green tea, they pretty much taste how they look. Sweeter and denser than clear jello.

For a bit of Dragonboat history:

http://www.china.org.cn/english/features/Festivals/78316.htm