Aiwowo is a typical snack from Beijing which is a steamed cone-shaped cake made of glutinous rice or millet with sweet filling.

Aiwowo (Steamed Cone-shaped Cake) first appeared in the Yuan Dynasty, and were well received by the Imperial families in the Ming Dynasty. Now it is one of Beijing's snacks loved by local people.
Other definition:
Aiwowo refers to steamed corn bread flavored with aromatic herbs. It is a snack known in Beijing, China
List of books: Aiwowo