The materials prepared in advance include: milk 40g, whipped cream 90g, sweet potato 190g, and sugar 40g.

1, Step 1: Wash the sweet potato for later use.

2. Peel a sweet potato and cut it into cubes for later use.

3. Put it into the alcohol pulp machine, plug in the power supply, beat it into sweet potato juice, pour it out and let it cool.

4. Then cut another sweet potato into small pieces with a kitchen knife for later use.

5. Let it cool after cooking.

6. Pour the cooked sweet potato into the bowl.

7. Add the prepared sweet potato juice and stir well.

8. Add the right amount of milk and mix well with chopsticks.

9. Add the right amount of sugar and mix well.

10, pour the light cream into the basin and stir well.

1 1. Beat until it is thick, as shown in the figure below.

12, scoop the whipped cream into a small bowl.

13, stir slowly and evenly with a spoon.

14, put into a mold, and refrigerate for 8 hours.

15, time is up. Take it out, over.