1, flour must use high-gluten flour, which has high protein content and strong toughness and is convenient for kneading;

2. The dough must be fermented with yeast. At least for more than an hour, the bread will have holes and the baked bread will be soft and fluffy;

3. Bread improver can be added to the dough, which can increase the softness and elasticity of bread;

4. If you want to increase the expansion of bread, you can add double-effect baking powder to the dough, which will produce a lot of bubbles when the dough is fermented and baked.