Rhubarb Cake
["5 c. rhubarb", "1 c. sugar", "1 pkg. Jell-O (strawberry)", "2 c. mini marshmallows", "1 white cake mix"]
["Mix white cake mix according to directions on box.", "Layer the first 4 ingredients onto bottom of 9 x 13-inch cake pan.", "Pour cake mix over top.", "Bake at 350\u00b0 for 45 minutes or until done. Top with Cool Whip."]
["rhubarb", "sugar", "Jell-O", "marshmallows", "white cake"]