棉花蛋糕Cotton Cake的詳細做法！像棉花一樣柔軟 !

5) 把1/3 的蛋白糊加入蛋黃糊里拌均，再把蛋白糊加入蛋黃糊里攪拌均勻。

Mix well .... 1/3 egg white mixture in egg yolk batter.

Then, gently mix well the remaining of the two batters.