- 1 1/2 cups all-purpose flour
- 2 tablespoons white sugar
- 1 tablespoon baking powder
- 1 pinch fine salt
- 2 eggs, separated
- 1/2 teaspoon vanilla extract
- 1 1/4 cups whole milk
- 6 tablespoons melted butter
- Sift flour, sugar, baking powder, and salt into a large bowl. Stir egg yolks and vanilla extract into flour mixture. Mix milk, alternating with butter in 3 to 4 additions, into flour mixture until batter is smooth.
- Beat egg whites in a glass, metal, or ceramic bowl until soft peaks form. Lift your beater or whisk straight up: the egg whites will form soft mounds. Gently fold egg whites into batter; let rest 10 to 15 minutes.
- Preheat a waffle iron according to manufacturer's instructions.
- Spoon batter into the waffle iron and cook according to manufacturer's instructions.