1. When boiling water in an electric kettle, wash, peel and cut the purple potato into small pieces.

2. After the water is boiled, pour it into the stewing beaker and cover it to preheat the cup.

3. Wash a handful of rice in a small pot, add chopped purple potato pieces and cold water to boil.

4. Add a little sugar and cook for 4-5 minutes.

5. Pour out the hot water in the stew, immediately pour out the rice soup in the small pot and cover it tightly.

6. After six or seven hours, the soft purple potato porridge can be eaten.