In essence, it is a chiffon cake baked in a paper cup.

[1] In the bakeries of Chinatown, San Francisco, it is commonly referred to as "sponge cake."

Typically prepared and served wrapped in parchment paper squares, Chinese paper wrapped cakes have a deep, golden brown exterior, and a light, fluffy inside.

Found in bakeries, the cakes are typically eaten during breakfast, or teatime.

[3] Media related to Paper wrapped cakes at Wikimedia Commons This Hong Kong–related article is a stub.