Honey Bun Cake
["1 pkg. yellow cake mix", "1 c. sour cream", "4 eggs", "1/3 c. oil", "1 c. packed brown sugar", "3 tsp. cinnamon", "2 c. confectioners sugar", "3 to 4 Tbsp. milk"]
["Combine first four ingredients in bowl, mixing well.", "Pour into greased and floured 9 x 13-inch baking pan. Mix brown sugar and cinnamon in bowl.", "Sprinkle over batter. Swirl batter with knife. Bake, using cake mix directions. Combine remaining ingredients in small bowl.", "Drizzle over warm cake."]
["yellow cake mix", "sour cream", "eggs", "oil", "brown sugar", "cinnamon", "confectioners sugar", "milk"]