1/2 c. butter
1 c. sugar
2 eggs
2 c. flour
1 1/2 tsp. baking powder
1 c. sour cream
1 tsp. baking soda
1 tsp. vanilla
1/2 c. brown sugar
2 tsp. cinnamon
1 c. chocolate chips
Confectioners' sugar
1 lg. Bundt pan

Cream butter and 1 cup sugar until light and fluffy. Beat in eggs. Combine flour and baking powder. Add to creamed mixture. Combine sour cream, soda and vanilla. Blend into batter. Set aside.

Combine brown sugar and cinnamon. Pour half of batter in greased Bundt pan; sprinkle with half of brown sugar mixture and half of chocolate chips. Repeat layers. Cut through batter several times for marbled effect. Bake at 350 degrees for 45 minutes. Cool, remove from pan. Sprinkle with confectioners' sugar.