1Preheat oven to 350 degrees. Grease a 13x9 inch baking pan.
Cream butter,gradually add sugars.beat well.
Add eggs,one at a time beating after each addition.Stir in vanilla.Combine dry ingredients.Add to creamed mixture alternately with sour cream.
Combine filling ingredients.Pour half batter into pan.Sprinkle with half filling mixture.Pour remaining batter.Sprinkle with remaining filling.Bake 30-35 mins.