1 pkg. yellow cake mix
3/4 c. oil
3/4 c. water
3 eggs
1 c. sugar
1 tsp. butter flavoring
1 tsp. vanilla
1 pkg. vanilla pudding
1 tsp. cinnamon

Mix together all ingredients except sugar and cinnamon. Pour 1/2 of cake mix in bottom of pan. Sprinkle with 1/2 sugar and cinnamon. Add remaining cake mix. Top with remaining sugar and cinnamon. May bake in Bundt pan or in a 9x13 pan. Bake at 350 degrees for 45 minutes. Top with powdered sugar icing if desired.