Purple Sweet Potato and Tremella Soup
1.
Peel the purple sweet potato and cut into pieces.
2.
Soak the white fungus in clean water for 15 minutes.
3.
Add clean water to the pot and put in the white fungus.
4.
Let the water boil and simmer for 20 minutes.
5.
Add the purple sweet potato, rock sugar, and simmer for another 20 minutes.