1/2 c. butter
1 c. sugar
3 eggs
1 tsp. vanilla
2 c. flour
1 tsp. baking powder
1 tsp. baking soda
1 (8 oz.) sour cream

FILLING:

3/4 c. brown sugar
2 tsp. cinnamon
2 tbsp. flour
2 tbsp. butter
2 oz. chocolate chips

Cream sugar and butter. Add eggs, sour cream, vanilla, flour, baking powder and baking soda. Beat until smooth. Grease a tube pan and pour 1/2 the batter into the pan, then 1/2 the filling. Then remainder of batter, the remainder of filling on the top. Bake at 350 degrees for 55 minutes. Remove from pan and cool 1 hour.