Sour Cream Coffee Cake(Yield: 12 Servings)  
["1/2 cup Packed Brown Sugar", "1/4 cup Walnuts, chopped", "2 tsp. Ground Cinnamon", "1 cup Granulated Sugar", "1/4 cup Butter, softened", "2 large Egg Whites", "1 cup Reduced Fat Sour Cream", "1 tsp. Vanilla Extract", "1 3/4 cups All-Purpose Flour", "1 tsp. Baking Powder", "1/2 tsp. Salt", "Cooking Spray"]
["1. Preheat oven to 350\u00b0."]
["Brown Sugar", "Walnuts", "Ground Cinnamon", "Sugar", "Butter", "Egg Whites", "Cream", "Vanilla", "All-Purpose", "Baking Powder", "Salt", "Spray"]