Banana Bread Waffles

Name: Banana Bread Waffles
Ingredients: 2 cups all-purpose flour; 1/2 teaspoon salt; 2 tablespoons sugar; 1 1/2 teaspoons baking soda; 1 teaspoon cinnamon; 1 3/4 cups buttermilk or 1 1/2 cups sour cream or plain yogurt thinned with 1/4 cup milk; 2 eggs, separated; 4 tablespoons (1/2 stick butter, melted and cooled); 1/2 teaspoon vanilla extract; 3 ripe bananas, mashed; 3/4 cup walnuts, chopped; Cooking spray for waffle iron; 8 oz. cream cheese, softened; 3-4 tablespoons maple syrup; 1/8 cup chopped walnuts