Today is Dongzhi Festival. This year, our family decided to cook tangyuan yourself. Of course, tangyuan can easily available on most of the market. This year, we used sweet potato as yellow, orange and purple coloring for the tangyuan. we also used pandan leaf for green color. Brown sugar base soup for the tangyuan. Others might put additional ginger. Our family does not like it. After refrigerate, tangyuan served with cold is another favour for my family too.