Naiyou subing
A nǎiyóu sū bǐng () is a buttery flaky pastry made into a thin circle. It is a speciality food in the Dajia District of Taiwan. The dough has many layers, of which each is very thin and crisp. The filling is composed of butter and maltose. A typical nǎiyóu sū bǐng has a diameter of approximately and a thickness of about . There is also a smaller variety with a diameter of approximately .