Rhubarb Upside Down Cake
["5 c. rhubarb", "1 c. sugar", "3 oz. strawberry Jell-O", "2 c. small marshmallows", "1 white or yellow cake mix"]
["Grease 9 x 13-inch pan (bottom).", "Mix first 4 items and put in bottom of pan.", "Mix cake according to directions on box.", "Pour over rhubarb mixture.", "Bake 55 minutes at 350\u00b0 or until done."]
["rhubarb", "sugar", "strawberry", "marshmallows", "white"]