In a large bowl, mix the flour, baking powder, and salt.
In another large bowl, beat the egg yolks with the sugar until the sugar is completely dissolved. Add the milk, melted butter, vanilla extract, and cinnamon, and whisk with a balloon whisk.
Combine the flour mixture with the egg mixture and whisk.
Using an electric mixer, beat the egg whites for 1 minute until they reach soft peaks. With a wooden spoon, fold the egg whites into the flour and egg mixture. Add the blueberries and gently incorporate with the wooden spoon.
Grease the waffle maker with cooking spray and place enough batter to make 1 waffle. Close the waffle maker and cook for 2-3 minutes or until lightly golden. Repeat with the remaining waffles.
Nutritional Information
* * Information per 100g serving, percentage of daily values based on a 2,000 calorie diet.
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