CAKE:

3/4 c. sugar
1/4 c. soft butter
1 egg
1/2 c. milk
1/2 tsp. salt
2 c. flour
2 tsp. baking powder
2 c. well-drained blueberries

TOPPING:

1/2 c. sugar
1/3 c. flour
1/2 tsp. cinnamon
1/4 c. soft butter

Beat together sugar and butter. Add egg, milk, salt, flour, baking powder. Fold in by hand the blueberries. Pour into 9x13 inch pan. Mix together topping ingredients and crumble over cake. Bake 45 to 50 minutes at 375 degrees.