Recipe
1 yellow cake mix
4 eggs
3/4 cup cold water
3/4 cup oil
1 small package instant vanilla pudding
1 teaspoon vanilla

Glaze
1 cup powdered sugar
3 tablespoons milk
1/2 teaspoon vanilla

Cinnamon and Sugar Mixture
2 teaspoons cinnamon
1/2 cup sugar
Instructions
Pour half the batter into a 9x13 inch pan. Sprinkle with mixture of cinnamon and sugar. Pour remaining batter over top and bake at 350° for approximately 40 minutes. Mix glaze ingredients together and pour over warm cake.