01 -
Whisk protein powder, flour, baking powder, and salt together in a bowl.
02 -
Stir in water, egg whites or additional water, yogurt or applesauce, and sweetener to form a batter. Add more liquid as needed, a tablespoon at a time, to achieve pancake or waffle batter texture.
03 -
Preheat the waffle maker according to the manufacturer's instructions. Grease the waffle iron well once it is hot.
04 -
Pour batter into the center of the waffle iron and close. Cook according to the manufacturer's directions until the waffle is light and crispy. Re-grease the waffle iron before making each waffle.