1Cream 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 chopped pecans,brown sugar and cinnamon.
Pour half batter in 13x9 inch pan. If using a fruit filling add it now,then sprinkle with half cinnamon mixture.Pour remaining
batter.Sprinkle remaining cinnamon mixture.Bake 30-35 minutes.