Whisk together flour, baking powder, and salt in a bowl.
In a separate bowl, whisk together egg, sugar, milk, and oil.
Blend the dry ingredients into the wet mixture.
Lightly coat a waffle iron with cooking spray.
Ladle batter into the iron and cook for about 5-7 minutes.
Meanwhile, blend all ingredients for the cinnamon butter.
Slice each waffle in half and fill with cinnamon butter.
Place waffles back together
Cut filled waffles into sticks.
Blend together all ingredients for the icing and drizzle over waffle sticks.