Sweet Roll Cake
["1 box yellow cake mix", "8 oz. sour cream", "4 eggs", "3/4 c. oil", "1 tsp. vanilla"]
["Mix all ingredients together.", "Pour in greased and floured long pan.", "Mix together 1 cup brown sugar and 1 teaspoon cinnamon. Sprinkle over the top of cake.", "Swirl throughout the batter.", "Bake at 300\u00b0 for 40 to 45 minutes."]
["yellow cake mix", "sour cream", "eggs", "oil", "vanilla"]