1 c. flour
1 c. brown sugar
1/2 tsp. salt (optional)
1/2 c. butter or shortening
1 c. oats
2 1/4 c. blueberries
1/4 c. sugar

Mix flour, brown sugar, salt, oats and butter together. Place half mixture in a 9 x 9 inch square pan. Mix blueberries and sugar together and put in pan. Top with remaining flour, sugar, oat mixture. Bake 45 minutes at 375 degrees.