Ingredients: 360 grams of flour, 0/20 grams of yam/kloc-,3 grams of red beans, sweet potatoes and yeast.

Exercise:

1. Prepare the above ingredients, soak red beans in advance or cook them in a saucepan.

2. White sweet potato and yam are steamed in a pot. After steaming, the sweet potatoes and red beans are pressed into balls and covered with plastic wrap for later use.

3. Add appropriate amount of water to yam, stir until it is fine, then pour in yeast and stir to melt. Pour 240 grams of yam mud into flour, stir it into a flocculent shape, and knead it into a smooth dough.

4. Knead the dough into long strips and cut it into small dough of equal parts. Take a small piece of dough, knead the other pieces of plastic wrap and set aside.

5. Roll the dough into a round shape with thin edges, put it into the white-hearted sweet potato bean paste stuffing, tighten it like a steamed stuffed bun, set it down and knead it into a round shape.

6. Wrap all the red bean stuffing, put it in a baking tray and put it in an oven or indoor warm place for fermentation for 35 minutes.

7. After fermentation, steam in cold water for 20 minutes and stew for 2 minutes.