For the Christmas waffles, cream butter and sugar until fluffy. Add vanilla sugar and eggs, continue mixing.
Sift baking powder with flour and cinnamon. Gradually stir in with cola until a firm dough is formed, but still falls easily from the spoon.
Preheat the waffle iron, grease if necessary. Bake the waffles and serve the finished Christmas waffles immediately with powdered sugar and maple syrup.