For all the chocolate lovers out there, chocolate-filled Tāngyuán are a must-try dessert. These sticky rice balls are filled with a rich and creamy chocolate filling that oozes out when you take a bite. The dough is made with glutinous rice flour and cocoa powder, giving it a deep chocolate flavor, while the filling is a combination of melted chocolate and a touch of sweetness. When cooked, the chocolate-filled Tāngyuán become soft and gooey, creating a decadent dessert that will satisfy any chocolate craving. Serve them with a drizzle of chocolate sauce or a scoop of vanilla ice cream for an extra indulgence. This recipe will guide you through the process of making these chocolatey Tāngyuán and bring a touch of luxury to your dessert table.