Dry Ingredients: Combine the flour, sugar, baking powder in a large mixing bowl and salt and whisk to combine.
Wet Ingredients: In a separate bowl whisk the eggs and stir in the warm milk, melted butter and vanilla extract.
Pour the wet ingredients into the dry ingredients until blended.
Ladle the batter into the preheated waffle iron and cook until the waffles are golden brown and crisp. Serve immediately or lay on a cooling rack until cool.