Separate the egg yolks and whites.
Add sugar to the egg whites and beat until stiff peaks form.
Add milk, sugar, and cake flour to the egg yolks and mix well.
Fold the meringue into the yolk batter in three additions.
Grease a pan with butter and pour the batter over low heat.
Cover and cook for about 10 minutes over low heat.
Flip and cook the other side for another 3–5 minutes.