Preheat oven to 350 degrees. Spray 9 x 11 x 2 pan with non-stick coating. In a large bowl beat cake mix, egg whites and water together until smooth and well mixed. Pour in baking pan. Mix soft cream cheese, sugar and egg together until creamy. Stir in chips and nuts. Drop cream cheese mixture in cake batter by spoonfuls. Bake for 50 minutes or until cake springs back at touch. Cool on wire rack. 12 servings. Cal 272.8, Fat 8g, Sat Fat 2.5g, Mono Fat 2.9g, Poly Fat 2.2g, Chol 14mg ,Carbs 45.8g, Fiber 0.7g, Protein 5.9g, Sodium 320mg