2 c. flour
1 tsp. baking soda
1 tsp. baking powder
1 lg. bag chocolate chips
1 c. sugar
1/4 lb. butter
1 egg
1 tsp. vanilla
1 c. sour cream

TOPPING:

1/2 c. walnuts, chopped
1/4 c. sugar
1 tsp. cinnamon

Cream butter, sugar, egg, vanilla and sour cream. Add flour, baking powder and soda, and chips. Mix well. Pour half of batter into greased tube pan or bundt pan and sprinkle half of the topping mixture on top. Add rest of batter and sprinkle other half of topping on top. Bake at 350 degrees for 45 minutes.