Rhubarb Crunch
["1/2 c. melted butter", "1 c. oatmeal", "1 c. flour", "1 c. brown sugar", "4 c. rhubarb, cooked with 1 c. sugar", "1 c. water", "1 tsp. vanilla", "dash of cinnamon", "2 Tbsp. cornstarch"]
["Mix butter, oatmeal, flour and brown sugar until crumbly. Place half in bottom of 8-inch pan."]
["butter", "oatmeal", "flour", "brown sugar", "rhubarb", "water", "vanilla", "cinnamon", "cornstarch"]