Bo lo bao, also known as pineapple bun, is a popular pastry in Hong Kong. Despite its name, it does not contain any pineapple. The bun is characterized by its sweet, crunchy topping that resembles a pineapple's skin, created from a mixture of flour, sugar, and butter. The soft, fluffy interior of the bun is typically made with a sweet dough, often enjoyed plain or filled with butter or custard. Bo lo bao is commonly served in bakeries and is a favorite snack or breakfast item among locals and visitors alike.