Sour Cream Cake
["1 box yellow cake mix", "1 (8 oz.) sour cream", "2 Tbsp. cinnamon", "2 Tbsp. sugar"]
["Mix cake by directions on box, then add sour cream. Mix together cinnamon and sugar. Pour half of cake batter into Bundt cake pan. Sprinkle cinnamon mix over batter. Then pour rest of cake batter into pan. Bake at 350\u00b0 until done."]
["yellow cake mix", "sour cream", "cinnamon", "sugar"]