Apple Butter Cake
["1/2 c. chopped walnuts", "2 Tbsp. brown sugar", "2 tsp. cinnamon", "1 (18.25 oz.) pkg. light yellow cake mix (94% fat-free)", "1 medium apple, chopped", "3 egg whites", "1/3 c. apple butter", "1/4 tsp. soda", "1 c. nonfat yogurt", "1 c. powdered sugar", "2 to 3 Tbsp. apple butter"]
["Combine nuts, sugar and cinnamon.", "Set aside.", "In bowl, blend cake mix, apple, 1/3 cup apple butter, yogurt and egg whites. Beat 2 minutes on high.", "Evenly sprinkle nut mixture alternating with batter in Bundt pan or 13 x 9-inch pan (spray pan with Pam before putting batter in it).", "Bake at 350\u00b0 for 35 to 40 minutes. Blend powdered sugar and 2 to 3 tablespoons apple butter and spoon over cake.", "Makes 20 servings."]
["walnuts", "brown sugar", "cinnamon", "light yellow cake mix", "apple", "egg whites", "apple butter", "soda", "nonfat yogurt", "powdered sugar", "apple butter"]