Preheat your waffle iron, put some butter, and set aside

In a large bowl whisk together the flour, baking powder, sugar, salt, and cinnamon

In a medium bowl beat the egg whites with a hand mixer until stiff peaks form. Set aside

In a separate medium bowl mix together the egg yolks, vegetable oil, milk, and vanilla extract.

Add the egg yolk mixture to the dry ingredients and mix well.

Fold in the egg whites.

Pour the batter onto your hot waffle iron and cook until steam is gone, or light turns green.