This “pine leaf steamed with buns” are different with any pork buns you have .Why they use the Pine leaves , that because the fragrance of pine leaves will still remain into the pork buns . The first thing in the morning is knead dough, it need use sour dough,so that the steamed buns are chewy.The soup is cook with bones.After four hours’ boiling, the soup can be tasty,The pepper is crucial for cooking the soup. A faint trace of the pine leaves’ fragrance, that is the reason why this pork buns so unique. https://goo.gl/1v0eU9