2 cups all-purpose flour
2 tablespoons sugar
1 tablespoon baking powder
1/2 teaspoon salt
2 large eggs
1 3/4 cups milk
1/2 cup melted butter or oil
1 teaspoon vanilla extract
Whisk flour, sugar, baking powder, and salt in a bowl
Whisk eggs, milk, melted butter or oil, and vanilla in another bowl
Pour wet ingredients into dry ingredients
Stir until just combined
Use batter immediately in a preheated waffle iron