The materials that need to be prepared in advance are: red beans 100g, and coix seed 100g.

1, step one, pour red beans and coix seed into a bowl.

2. Wash it, as shown in the figure below.

3. Pour into an oil-free pan and stir fry over low heat.

4. Stir fry for about 20 to 30 minutes. Coix seed can be cooked when it turns yellow.

5. After cooling, put it into a pulverizer and pulverize it into fine powder.

6. Screen again.

7. This has been done.