Xing Fu Tang is a shop in Ximending that sells brown sugar bubble tea with warm tapioca pearls. Its signature brown sugar bubble tea tops cold milk tea with milk foam and brown sugar, which is melted with a torch. Between 8 and 9 a.m., drinks can be bought without waiting, and orders are ready in about 5 to 10 minutes. From 10 a.m., the line grows long.