In a large bowl, mix together the Greek yogurt, milk, eggs, egg whites, honey, vanilla and melted butter until well combined.
Gently fold in the whole wheat flour one cup at a time along with the baking powder and salt.
Allow the batter to rest while you heat up your waffle iron.
Grease your waffle iron with cooking spray. Fill your waffle iron and cook until you do not see steam and the waffle doesn’t stick when you lift the iron up. (2-3 minutes depending on your iron. Most modern waffle irons have a light that tells you they are done.
Drizzle with maple syrup, honey or whatever you like and enjoy!
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Notes
These waffles are done when they have a golden brown exterior and are crisp on the edges and center.You can really top these with anything you like, or add a savory spin to them with some bacon and eggs on the side!You can swap the whole wheat flour for gluten free oat flour although they may be a little more dense.