2 cups flour
1 1/2 cups sugar
2 t. baking powder
1/2 t. baking soda
1/2 t. salt
1 1/3 cups sour cream
2/3 cup butter, softened
1. t. vanilla
3 eggs
Put all ingredients in bowl, mix low speed 1 min., medium speed 3 min.
put 1/2 batter in 9x13 pan. Combine:
1/2 cup sugar
1 t. cinnamon
Sprinkle 1/2 of mix on batter. Add 1/2 cup chocolate chips. Put remaining batter in pan on top of mix, sprinkle remaing sugar mix on batter, then 1/2 cup chocolate chips. Bake 350" 35-40
min.