Step 1

In a mixing bowl, whisk together flour, baking powder, salt, sugar, and cinnamon.

Step 2

Make a well in the center of the dry mixture and add egg yolks, oil, and milk. Mix just until all the ingredients are moistened.

Step 3

Beat the egg whites until stiff (this takes about 3-4 minutes), then fold into the batter.

Step 4

Cook batter in waffle iron.