materials: 15g high flour, 5g medium flour, appropriate amount of clear water, appropriate amount of yeast, appropriate amount of sugar, appropriate amount of high flour, appropriate amount of medium flour, appropriate amount of eggs, appropriate amount of corn oil, appropriate amount of clear water, appropriate amount of salt, sugar and salt for bean paste stuffing.

1. Prepare yeast materials, evenly mix high flour and medium flour, mix flour into sugar, add yeast and water.

2. Knead into a ball.

3. Put the fresh film covered with good dough into the refrigerator for cold storage and fermentation for about 2 hours.

4. evenly mix the materials other than corn oil, add the yeast and continue kneading, as shown in the figure.

5. It's sticky at first, but you must stick to it. You can shovel the dough continuously with the side of the kitchen knife and continue to knead. Add corn oil until the dough is not very sticky.

6. After corn oil is added, the dough is not sticky, and the dough is beaten very hard. Flip, rub and repeat. The dough has been soft for 2 minutes.

7. Continue kneading for 3 minutes, the dough is very smooth, covered with plastic film and fermented at room temperature of about 2 degrees.

8. When it is fermented to 1.5 times the size, take out the dough and divide it into 6 equal parts.

9. Press it flat by hand and wrap it with bean paste, as shown in the figure.

1. As shown in the figure, roll it into a cow tongue.

11. Roll the dough into the shape shown in the figure.

12. Put the oil and rolled noodles into the pressure cooker.

naturally ferment at room temperature of about 2 degrees for about 3-4 hours to 2-2.5 times the size, as shown in the figure.

14. Put the gallbladder into the electric cooker and press the cake button to start it. In this step, the exhaust valve of the autoclave must be opened to avoid the internal pressure squeezing the bread. After about 5 minutes, the electric pressure cooker automatically jumps to the insulated state.

15. Open the electric cooker and the bread is cooked. To make it look better, heat it for another 1 minutes, turn the bread over, and press the cake button to heat it for about 1 minutes.

16. finally, take it out and eat it.