Evelyn's Rhubarb Crunch
Use the 8 cups of rhubarb, 2 cups sugar, 4 heaping Tablespoons of cornstarch, 2 cups water, and vanilla. Cook this together until thickened. Place in bottom of greased 9x13 pan. Mix up a white or yellow cake mix according to directions. Pour over the cooked rhubarb mixture. Bake at 350 degree oven until cake is done. Turn upside down if you want or just use out of the pan. Makes a nice upside down cake. Top each serving with ice cream or whipped cream.