The materials that need to be prepared in advance are: purple potato 400g.
1. Wash the purple potato first.
2. Pour hot water into the microwave oven container.
3. Put the purple potato into the steamer.
4. Cover the microwave oven container.
5. Steam in the microwave oven for 7 minutes.
6. Take it out of the microwave oven, open the lid and dry it.
7. Serve after serving.