1, there are many kinds of flour, such as wheat self-raising flour, which itself contains baking powder.

2. You can directly add water for fermentation, and white sugar can be used for ordinary flour.

3. Add sugar and warm water at a ratio of 2: 1, mix well and pour into a bowl filled with flour.

4. Finally, knead the flour into dough, cover it and let it stand for 30 to 40 minutes to complete the fermentation.