Rhubarb Crunch
["4 c. diced rhubarb", "1 1/2 c. mini marshmallows", "3 oz. pkg. strawberry Jell-O", "1 1/2 c. granulated sugar", "1/2 c. melted butter or margarine", "1 yellow cake mix", "1 c. water"]
["Combine rhubarb, marshmallows, Jell-O and sugar in a large mixing bowl; pour into a 9 x 13-inch pan."]
["rhubarb", "marshmallows", "strawberry Jell-O", "sugar", "butter", "yellow cake", "water"]