Purple sweet potato, lily and white fungus soup

Overview

Tremella soup made with an electric pressure cooker saves trouble!

Wash the white fungus and soak it in water.
Soak the white fungus for 20 minutes, remove the stem, tear it into small pieces and put it in an electric pressure cooker.
Wash the dried lilies and set aside.
Add lily, add appropriate amount of water, cover, and use the bean gluten function to cook.
Peel and wash the purple sweet potato and cut into small pieces.
When the pressure of the pressure cooker is reduced, open the lid, add purple sweet potato and rock sugar, close the lid again, and press the porridge function.
After cooking, turn on the pressure and stir.