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

Mix ingredients; pour into greased 8 inch square pan. Sprinkle batter with a mixture of sugar and cinnamon and dot with butter. Bake at 350 degrees for 45-50 minutes.