Indulge your sweet tooth with this recipe for Chocolate Tāngyuán made using a food processor. The sticky rice flour is blended with cocoa powder in the food processor until well mixed. Water is gradually added to form a smooth dough. The dough is divided, filled with a chocolate filling, and shaped into balls. These Chocolate Tāngyuán can be cooked in boiling water and served in a warm chocolate sauce for a decadent dessert. The combination of the chewy sticky rice balls and the rich chocolate filling is a chocolate lover's dream come true.