Preparation materials: Poria cocos15g; ; 3 grams of baking powder; Yeast powder 3g; Sugar15g; ; Raisins in moderation.

1. Mix Poria powder with flour, baking powder and sugar evenly.

2. Sieve the mixed flour.

3. Pour the yeast powder into warm water, stir well and let it stand for 5 minutes.

4. Pour the yeast water into the mixed flour and stir well.

5. Pour into a container, cover it with plastic wrap, and ferment 1 hour (when the temperature is low in winter, put hot water in the pot, cover it, and accelerate the fermentation).

6. After fermentation (twice as much as before fermentation), sprinkle some raisins and steam for 10 minutes.

7. Cut into appropriate sizes, and the finished product is shown below.