1. In a mixing bowl, combine flour, sugar, baking powder, and salt. In a separate bowl, whisk together milk, eggs, and melted butter.

2. Slowly add the wet ingredients into the dry ingredients and mix until well combined into a smooth batter.

3. Preheat the waffle iron and pour the batter into the iron, following the manufacturer's instructions for cooking time.

4. Cook the waffles until golden brown and crispy. Serve warm with your favorite toppings and enjoy!