Nantong shortbread is a famous Han snack in Nantong, Jiangsu. White flour is selected as the main material, and it is made by hand after 28 processes. Crispy cakes are baked with low fire, and the surface is yellow but not burnt; The craft of crisp cakes is exquisite, and each cake has eighteen layers. If you don't believe me, use boiled cakes, and the layers are clearly visible.