Honey Bun Cake
["1 box yellow cake mix", "3/4 c. oil", "4 eggs", "8 oz. sour cream", "1 c. brown sugar", "1 Tbsp. ground cinnamon", "2 c. powdered sugar", "4 Tbsp. milk", "1 Tbsp. vanilla"]
["Mix cake mix, oil, eggs and sour cream well.", "Pour 1/2 of the batter in 9 x 13-inch pan.", "Mix brown sugar and cinnamon and sprinkle over cake batter.", "Pour remaining batter in pan.", "Swirl with knife.", "Bake at 325\u00b0 for 40 minutes.", "Mix powdered sugar, milk and vanilla.", "Pour over cake while hot."]
["yellow cake mix", "oil", "eggs", "sour cream", "brown sugar", "ground cinnamon", "powdered sugar", "milk", "vanilla"]