use the wooden spoon to beat together the egg yolks and sugar until sugar is completely dissolved and eggs have turned a pale yellow.
4
Add the vanilla extract, melted butter, and milk to the eggs and whisk to combine
5
Combine the egg-milk mixture with the flour mixture and whisk just until blended.
6
beat the egg whites with an electric mixer until soft peaks form, about 1 minute.
7
Using the rubber spatula, gently fold the egg whites into the waffle batter
8
Coat the waffle iron with non-stick cooking spray and pour enough batter in iron to just cover waffle grid. Close and cook about 2 to 3 minutes. Serve immediately.