Honey Bun Cake
["1 yellow cake mix", "2/3 c. oil", "8 oz. sour cream", "4 eggs", "1 Tbsp. cinnamon", "1 c. brown sugar", "2 1/2 c. powdered sugar", "1/2 c. milk", "1 tsp. vanilla"]
["Combine together cake mix, sour cream, oil and eggs; mix well.", "Pour 1/2 of batter into a slightly greased 9 x 13-inch pan. Mix cinnamon and brown sugar; sprinkle over batter.", "Pour remaining batter over sugar mixture.", "Bake 35-40 minutes at 350\u00b0. Mix powdered sugar, milk and vanilla while cake is baking.", "As soon as cake is removed from oven, punch holes all over cake with a fork and pour icing mixture over the hot cake."]
["yellow cake", "oil", "sour cream", "eggs", "cinnamon", "brown sugar", "powdered sugar", "milk", "vanilla"]