Add the salt, sugar, baking powder and baking soda. Whisk well, the add the butter and whisk again.
Finally add the flour and whisk until batter is even.
Dollop the batter into your waffle maker, according to the amount recommended by manufacturer (my Belgian waffle maker takes about a ¼ cup per waffle).
Cook until golden and starting the lightly crisp.
Serve with pure maple syrup and butter ot you choice of topping.