Apple Cake
["1 1/2 c. sugar", "3 c. white flour", "1 1/2 tsp. cinnamon", "1 tsp. baking soda", "1 1/2 c. applesauce", "1 tsp. vanilla", "3 medium apples (1 lb.)", "6 egg whites", "1/2 c. walnuts, chopped"]
["Preheat a 350\u00b0", "oven.", "Coat angel food cake pan with vegetable oil cooking spray.", "Set aside."]
["sugar", "white flour", "cinnamon", "baking soda", "applesauce", "vanilla", "apples", "egg whites", "walnuts"]