1/2 c. butter
2 c. sugar
2 eggs
3 c. flour
3 c. blueberries
4 tsp. baking powder
1 c. milk

TOPPING:

1/2 c. sugar
1/2 c. flour
1/2 tsp. cinnamon
3 tbsp. butter, melted

Cream butter, sugar and eggs. Add baking powder, flour and milk. Mix well. Add berries last by stirring with a spoon. Pour into 9"x13" cake pan. In a separate bowl stir together the topping to make crumbs. Cover the batter with topping. Bake at 350 degrees for 40 to 50 minutes.