Cut chunks of rhubarb to fill pan half full. Sprinkle 1 cup of sugar over rhubarb and then shake a large box of strawberry Jello over all. Sprinkle 1 box of yellow cake mix over the top of the mixture. Dribble 2 cups of cold water over the cake mix. Take knife tip and barely stir mix around. Bake 1 hour or a little longer. Sugar may be cut down if you don't like it real sweet.