Add all of the ingredients to a large bowl and mix until well combined. Allow the batter to rest for 20 minutes at room temperature while the griddle or waffle iron is preheating.
Preheat waffle iron and lightly grease with cooking oil spray.
Pour ¾ cup of batter into the center of the iron, gently spread the batter and cook until the waffle is golden brown or according to manufacturers directions. ( 3-6 minutes)