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

2ND PART, SAUCE:

1 c. sugar
2 tbsp. cornstarch
1 c. water
1 tsp. vanilla

4 c. blueberries

Press half of the crumb mixture in greased oblong pan. Put blueberries on top. Combine 2nd mixture. Cool until clear and pour over blueberries, top with remaining crumbs. Bake at 350 degrees for about 1 hour. Serves 8.