2 c. brown sugar, firmly packed
2 c. flour
1 1/2 c. Quick oats
1 c. butter, melted
2 tsp. cinnamon
5 c. berries (or rhubarb), fresh or frozen
1 1/2 c. sugar
2 tbsp. cornstarch
1 c. water
1 tsp. vanilla

Mix brown sugar, flour, oats, butter and cinnamon until crumbly. Press 1/2 mixture into buttered 13 x 9 inch pan. Cover with fruit. Cook white sugar, cornstarch and water until thick and clear; remove from heat. Stir in vanilla. Pour over fruit. Cover with reserved crumb mixture. Bake in preheated oven at 350 degrees for 45 minutes to 1 hour. Serve warm or cold.