Jiggly & Fluffy Taiwanese Castella Sponge Cake, also known as Bánh Bông Lan Castella, is the focus of this article. It is a delicacy that has gained popularity due to its unique texture and taste. The cake originated in Taiwan and has since spread to other parts of the world. The article seeks to provide a summary of the content related to this specific type of cake within the limit of 80 words.