In North America, Belgian waffles are a variety of waffle with a batter often enlighten with beaten egg whites. Popular for breakfast, it pairs with many sweet and savory toppings. Though, the traditional Belgian waffles is made with yeast. Here is an example using yeasty batter which ressembles to poolish (liquid starter) used in bread making. This offers an interesting compromise between the American style and Belgian Liege waffles. Without any doubt, the best out there is the Liège waffles / gaufre liégeoise. A rich brioche dough dotted with caramelized pearl sugar. Liege waffles are usually served as is for snacks. For the Belgian Liège waffles recipe, look up at Liege Waffles Suzette.
Combine dry ingredients first, then mix in vanilla, eggs, milk, beer and melted butter. Cover and let rest for an hour and chill overnight. Leave batter out a couple of hours prior cooking. Preheat waffle iron, and cook the waffles according to the manufacture's directions until they are golden and crisp. Enjoy!