2 c. flour
1 1/2 c. sugar
2 tsp. baking powder
1/2 tsp. baking soda
1/2 tsp. salt
1 1/3 c. dairy sour cream
2/3 c. butter, softened
1 tsp. vanilla
3 eggs
1 tsp. cinnamon
6 oz. pkg. semi-sweet morsels

Heat oven to 350 degrees (325 degrees for glass pan). Grease 13 x 9 inch pan. Lightly spoon flour into measuring cup - level off. In large bowl, combine first 9 ingredients. Blend 1 minute at low speed, beat 3 minutes at medium speed. Pour 1/2 of batter into greased pan.

In small bowl combine 1/2 cup sugar and cinnamon. Sprinkle half of sugar mixture and chocolate pieces over batter. Repeat remaining batter and sugar mixture and chocolate pieces. Bake at 350 degrees for 40 minutes or inserted toothpick comes out clean.