Jay Davis Chosen by Recipe4Living as the best coffee cake. Not bad, Jay.
1 box yellow butter cake mix
1 pkg. new instant vanilla pudding
1/2 cup cooking oil
1 cup sour cream
mixture of cinnamon and sugar
Mix dry mixes (cake mix and vanilla pudding); add oil and sour cream and blend together. Add eggs one at a time. Spray Bundt pan with baking spray and sprinkle Bundt pan with cinnamon sugar. Add batter and sprinkle top of cake with cinnamon sugar. Bake at 350 degrees for 45-50 minutes. Let cool in pan 10 minutes. Turn out and sprinkle cake again with cinnamon sugar.