In a large bowl, whisk together the flour, baking powder, salt, and sugar.
In a separate medium bowl, whisk together the milk, egg, and butter.
Add the wet ingredients to the dry ingredients, stirring just until combined. The batter will be a bit lumpy.
Cook the waffles as directed in the instructions for your waffle iron.
Serve warm with the topping of choice.
Notes
EatWheat.org provides nutrition information for recipes as a courtesy and is an estimate only. This information comes from online calculators and should be considered an estimate, not a guarantee. Varying factors like brand types, natural variations in produce, and ingredient preparation can change the nutritional information in any recipe. For absolute accuracy, calculate your own nutritional information.