2. Clean the chestnuts and cut a knife on the surface.

3. Boil it in boiling water for ten minutes and then take it out.

4. Peel and cut sweet potatoes, and peel chestnuts for later use.

5. Boil the water in the soup pot and add the sweet potato pieces to boil.

6. Add chestnut kernels and cook together.

7. It's more refreshing to skim the floating foam.

8. Cook until the sweet potatoes and chestnuts are soft and cooked.

9. Add brown sugar.

10, brown sugar melts, turn off the fire and stew for two minutes.

1 1, instant drink, delicious afternoon tea, sweet.