For a tropical twist on the classic Tāngyuán, try making coconut sticky rice balls. The dough is made with coconut milk, giving it a subtle coconut flavor. The filling can be traditional or you can experiment with coconut-based fillings like coconut custard or coconut jam. These coconut Tāngyuán are perfect for those who enjoy the taste of coconut and want to add a touch of tropical sweetness to their dessert.