2 large sweet potatoes
2 inches fresh gingerroot, skinned and sliced (approx. 45g)
3 1/2 cups water
8 dried red dates (optional)
1 (60 g) slab raw brown sugar (approx. 60g, if not available, can be substituted with rock sugar)

1. Peel, wash and chop sweet potatoes into chunks.
2. Bring water to a boil; add ginger, sweet potatoes and red dates and simmer for 12-15 minutes.
3. Upon boiling, add slab sugar and boil until sugar dissolves.
4. serve hot or cold!

Read more: http://www.food.com/recipe/traditional-chinese-sweet-potato-ginger-dessert-soup-226455#ixzz1W3jyv0JU

Adapted from http://www.food.com/recipe/traditional-chinese-sweet-potato-ginger-dessert-soup-226455