Sour Cream Coffee Cake (Deb and Phil)

Ingredients
Cake:
1 cup sugar
2 cup cake flour
1/4 lb. butter
1 tsp baking soda
2 eggs
1 tsp baking powder
1 cup sour cream
1 tsp vanilla

Topping:
3/4 cup sugar (brown and/or white)
1/3 tsp cinnamon
1/2 cup chopped walnuts
1/2 cup chopped chocolate pieces (choc. chips)

Directions
Cream butter and sugar together. Add eggs and sour cream. Beat until smooth. Sift dry ingredients together and add. Add vanilla. Pour 1/2 cake mixture into 10” greased spring form. Add1/2 topping mixture. Pour rest of cake mixture and then add rest of topping. Bake 350 ˚F for 35 min.