Sift cake flour and baking powder into a big bowl. Add salt and sugar.

Separate the egg yolk and the egg whites. Put egg yolk into the flour mixture.

Pour milk to the flour mixture and mix it by stirring it. After it's well combine, add the melted butter to the batter.

Beat up the egg white to stiff peak. And fold it into the batter. Do not over fold it or stir it. Just fold it till it combine.

Tips: Let the batter rest for about 15 mins. It'll be light and fluffy. A better texture.

Keep the pan at medium heat, ladle about 1/4 cup of the batter onto the pan, to make a pancake. Cook until it bubbles break the surface of the pancake and the undersides are golden brown, about 3 minutes. Flip with a spatula and cook another 1 minute. Transfer it to a plate and ready to serve!

Before the servings: Stack them up! Cut a piece of butter and place it on top of the pancakes. Pour maple syrup over the pancakes and it's ready to serve!