1. Yeast needs to be added.

2. Ingredients that need to be prepared in advance include: 300g of self-raising flour, appropriate amount of water, a little yeast, a little sugar, and 300g of high-gluten flour.

3. First, put the prepared self-raising flour and high-gluten flour together and stir evenly.

4. Then put the yeast and sugar together, pour in warm water and mix well.

5. Pour into the flour and mix well.

6. Knead the dough with your hands and let it rest for 3 hours.

7. Brush a layer of cooking oil on the steaming rack, shape it into a steamed bun shape with your hands, and put it into the steaming rack.

8. Let it sit for 30 minutes.

9. Cover the pot and steam over high heat for 20 minutes.

10. Take it out after steaming and it’s done.