Cinnamon Spiced Banana Nut Bread
["1 c. all-purpose flour", "1 c. whole wheat pastry flour", "1 c. packed brown sugar", "1 Tbsp. baking powder", "1 tsp. ground cinnamon", "1/4 tsp. baking soda", "4 egg whites", "1/2 c. buttermilk", "1/3 c. unsweetened applesauce", "1 tsp. vanilla", "1 c. mashed ripe bananas (2 medium)", "1/2 c. walnuts"]
["Preheat oven to 350\u00b0.", "Spray a 9 x 5 x 3-inch loaf pan with nonstick spray and set aside."]
["flour", "whole wheat pastry flour", "brown sugar", "baking powder", "ground cinnamon", "baking soda", "egg whites", "buttermilk", "unsweetened applesauce", "vanilla", "mashed ripe bananas", "walnuts"]