Cinnamon Blueberry Cake

1 C soft butter
1 C sour cream
1 1/2 sugar
2 eggs
1 t vanilla
2 C flour
1/2 t baking soda
1/2 t baking powder
3/4 C chopped walnuts
1/4 C sugar
1 t cinnamon
1 3/4 C blue berries

Cream butter, sugar, eggs, sour cream,  and vanilla.
Stir in flour baking powder and baking soda.
Spread 1/2 batter in greased 9x13 baking dish
Mix nuts, sugar and cinnamon.
Sprinkle half of this mixture over batter.  Drop reamining in mounds on top and spread over the whole top.  Sprinkle blueberries on top and sprinkle remaining cinnamon sugar, nut mixture over berries.  Bake 350 degrees for 40 minutes (Frozen berries bake longer)