01 -
Combine the protein powder, salt, flour, and baking powder in a bowl. Stir to mix evenly.
02 -
Blend in the water, sweetener, yogurt, egg whites, and optional oil. Stir until the batter's smooth, adding water if it needs thinning.
03 -
Warm up your waffle iron and grease it well. Pour some batter into the center and cook until crispy and golden. Be sure to grease after making each waffle.