Start by gathering all the ingredients you will need.
In a large bowl, combine the flour, salt, baking powder, and sugar, then set it aside.
Preheat your waffle iron to the desired temperature.
In a separate bowl, beat the eggs and then mix in the warm milk, melted butter, and vanilla extract.
Pour the milk mixture into the bowl with the flour mixture and stir until everything is well combined.
Ladle the batter into the preheated waffle iron.
Cook the waffles until they are golden brown and crisp.
Serve the waffles immediately and enjoy!