Marbled Pumpkin Cake
["1 c. LIBBY's Solid Pack Pumpkin", "2 tsp. ground cinnamon", "1 pkg. (18.25 oz.) yellow cake mix", "4 eggs", "3/4 c. sour cream", "1/4 c. granulated sugar", "1/2 c. vegetable oil", "1/4 c. water", "Powdered sugar (optional)"]
["Combine pumpkin and cinnamon in medium bowl.", "Combine cake mix, eggs, sour cream, sugar, oil and water in large mixer bowl. Beat on low speed until moistened.", "Beat on high speed for 2 minutes."]
["Pumpkin", "ground cinnamon", "yellow cake", "eggs", "sour cream", "granulated sugar", "vegetable oil", "water", "Powdered sugar"]