Purple Potato Steamed Chinese sponge cake

1. Finished product drawings.

2. Production method: 250g of flour, add an appropriate amount of purple sweet potato paste, 3g of yeast, 10g of milk powder, 10g of white sugar, mix the dough well, and wake up for 15 minutes.

3. Roll the round billet and sprinkle an appropriate amount of raisins.

4. Double the size of the second awakening and steam over high heat for 15 minutes.

5. Once cooked, take out the pot and let it cool for a while before cutting into small pieces.