1 box Pillsbury cinnamon swirl Bundt cake mix
1 (8 oz.) carton sour cream

Mix according to cake directions, but add sour cream to the batter with the other ingredients on the box. Spread 1/2-1/3 of the batter into greased and floured sheet cake pan. Sprinkle the cinnamon swirl mixture over batter. Cover with remaining batter.

Mix the following for topping: 1 tbsp. flour 3/4 c. dark brown sugar 1/2-3/4 c. chopped pecans

Mixture will be crumbly. Cover cake with this and bake at 350 degrees for 30-40 minutes. Mix water and remaining packet from cake mix for glaze and drizzle over warm (not hot) cake.