2. Wash and peel the yam, cut it into small pieces and steam it in a steamer. Steam until you can easily insert the yam with chopsticks. Insert the yam.

3. take out the yam and press it into mud with a spoon while it is hot. Add a little salt to the yam paste and a little milk.

4. Take a tablespoon of blueberry sauce, dilute it with a little water, then add a tablespoon of honey and mix well.

5. Make yam balls with yam mud, or other forms, and then pour blueberry sauce.