Preheat your waffle maker. Grease it if necessary. Whisk the flour in a large mixing bowl with the baking powder. Add your milk to the flour, then the egg whites.
Stir in the vanilla and cinnamon, and blend vigorously with a whisk until you have a nice, smooth batter.
Using a ladle, pour your batter into your waffle maker, and cook until golden brown.
Top these waffles with nuts, fruit, honey, maple syrup or anything your diet allows. They're yummy and really filling.
Notes
Please note that the nutrition data given here is a ballpark figure. Exact data is not possible.