2 c. flour
1/2 tsp. baking soda
1 tsp. baking powder
2 c. quick oats
1 c. brown sugar
1 c. shortening (1/2 butter)
3 c. blueberries
3/4 c. sugar
1/3 c. water
2 tbsp. cornstarch
Dash of salt

Cook together blueberries, sugar, water, cornstarch, and salt. Cook until thickened. Set aside to cool. Sift flour, soda, and baking powder. Stir in oats and brown sugar. Cut in shortening. Pack 1/2 of mixture into 13 x 9 inch pan. Spread with cooked and cooled berries. Top with remaining flour mixture. Bake at 350 degrees for 45 minutes. Cool and cut into bars.