cake flour

For a soft sponge cake, you should use cake flour instead of regular flour.

要做松软的戚风蛋糕，你应该用低筋面粉而不是普通面粉。

This recipe calls for two cups of cake flour and a teaspoon of baking powder.

这个食谱需要两杯低筋面粉和一茶匙泡打粉。

If you do not have cake flour, you can mix cornstarch with all-purpose flour.

如果你没有低筋面粉，可以把玉米淀粉和普通面粉混合。