Ingredients:

Purple potato, blueberry, yam, sugar-free yogurt

Specific steps:

1, yam and purple potato are washed, cut into pieces, and steamed in a pot.

2. Muddle both yam and purple potato when it is hot.

3. Add a proper amount of purple potato into the yam mud to prepare taro purple and stir it evenly.

4. Prepare a round empty bowl in advance and put plastic wrap on it.

5. Add a small amount of mud to the bowl several times and smooth it.

6. Prepare a plate and buckle the small bowl on it.

7. Gently remove the bowl and tidy up the molded cake.

8. Squeeze sugar-free yogurt on it and let it flow naturally around.

9. Finally, put blueberries on the surface (the rest of the fruits can also be used).