Rhubarb Crunch
["1 c. flour", "3/4 c. oatmeal", "1 c. brown sugar", "1/2 c. butter, melted", "1 tsp. cinnamon", "1 c. sugar", "2 Tbsp. cornstarch", "1 c. water", "1 tsp. vanilla"]
["Combine. Cook until clear and thick. Mix with 4 cups rhubarb, cut up, and top with remaining crumbs. Bake at 350\u00b0 for 30 minutes or until done."]
["flour", "oatmeal", "brown sugar", "butter", "cinnamon", "sugar", "cornstarch", "water", "vanilla"]