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

Mix all above ingredients and set aside.

BATTER:

1/4 c. butter
3/4 c. sugar
1 1/2 c. flour
1/2 tsp. salt
2 c. fresh or frozen (well drained) blueberries
1 egg
1/2 c. milk
2 tsp. baking powder

Cream butter and sugar until fluffy. Add egg. Stir in milk and salt. Combine flour and baking powder and add. Fold in blueberries carefully. Grease 9 inch square pan and spread batter evenly. Put topping over batter. Bake 45-50 minutes, 350 degrees.