2. Pour the sweet potato powder into the basin and add water. Put it aside. There will be some dust on the water. Pour the water out gently. Add water again and stir well.

3. Add three times of water to the pot, bring it to a boil, then pour the powder into it, and keep stirring. Turn on the small fire until the color changes from white to dark, and turn off the fire.

4. Pour it into a basin, put it into a big basin filled with water and cool it, and the sweet potato jelly will be ready.