1/2 c. butter
1 (8 oz.) pkg. cream cheese
1 1/4 c. sugar
2 eggs
1 tsp. vanilla
1/3 c. milk
2 c. sifted flour
1 tsp. baking powder
1/2 tsp. baking soda
1/2 tsp. salt
1 c. fresh or unsweetened frozen blueberries

TOPPING:

1/2 c. packed brown sugar
1/2 c. sifted flour
1 tsp. cinnamon
3 tbsp. butter

Cream butter, cream cheese and sugar until light and fluffy. Add eggs and vanilla; beat well. Sift dry ingredients together and add to creamed mixture, alternately with milk. Beating until smooth after each addition. Stir in blueberries and spread into greased and floured 9 x 13 inch pan.

Combine topping ingredients and sprinkle over top of cake. Bake for 30-35 minutes at 350 degrees.