Musongdian Taipei Xinguang A11 is a pastry shop on the B2 floor of Shin Kong Mitsukoshi A11 in Xinyi District, Taipei, selling butter nugao and bread. The butter nugao comes in original, chocolate, and caramel flavors, baked crisp on the outside and chewy inside. Flavors cannot be bought as a mixed combination, and no samples are offered in the store. Staff responses are cold and sometimes cut off questions.