Stir together flour, sugar, baking powder, baking soda and salt in mixing bowl. Set aside.
In separate bowl whisk together egg yolk, sour cream, milk, butter and banana. Add liquid mixture to dry ingredients, stirring just until blended. Fold in beaten egg white.
Pour batter from cup or ladle onto center of hot waffle iron. Bake about 5 minutes or until steaming stops. Remove waffle carefully.
Have a great breakfast!!!
Mr Breakfast would like to thank MrsBuckeye for this recipe.