Cake Batter:
1 1/2 c. Flour
1 tsp. Baking Powder
1/4 tsp. Salt
1/2 c. Butter. softened
1 c. Granulated Sugar
1/4 c. Sour Cream
1/2 c. Milk
2 Eggs
1 tsp. Vanilla

Mix together flour,baking powder and salt, set aside.
Cream together butter and sugar.
Add eggs and beat until fluffy.
Add vanilla and sour cream.
Alternately add the dry ingredients with milk.
Spread half of batter into a greased 9″ pan.
Scatter berries over batter.
Cover berries with remaining batter.
Sprinkle topping over batter.
Bake 30-35 minutes at 350°F. or until toothpick comes out clean.

Filling:
1 1/2 c. Berries, blueberries, raspberries, blackberries.

Topping:
1/4 c. Butter, softened
1/3 c. Granulated Sugar
1/4 c. Flour
1/2 tsp. Cinnamon

Combine all topping ingredients and crumble together with fingertips.