Grease 9 x 13 inch ... Pour in chopped rhubarb and pour sugar over top. Sprinkle strawberry Jello over top, then marshmallows. Top with yellow cake mix. Bake for 1 hour at 350 degrees.
Line 9 x 13 inch cake pan with butter. Layer marshmallows on batter. Mix together until juice forms the rhubarb, sugar and Jello; set aside. Prepare cake ... or with ice cream.
Place raw rhubarb in 9x13 inch greased cake pan. Sprinkle with sugar and dry Jello and marshmallows. Prepare cake mix as given on box and ... degrees for 45 minutes.
Put cut up rhubarb in 13 x 9 inch cake pan. Sprinkle 1 cup sugar ... ounce) package wild strawberry Jello over too. Sprinkle 2 cups dry cake mix over all. Gently pour over ... Cool Whip on top.