Preheat oven to 350°F. Prepare cake mix according to package directions. Set aside. Place chopped rhubarb in bottom of 9x13-inch pan. Sprinkle sugar and strawberry jello over rhubarb. Place marshmallows ... to cool before serving.
In large saucepan, combine rhubarb, strawberries and lemon juice. ... spillovers. Place coffee cake on middle rack; bake at ... in squares. Serves 16-20.
Cover greased 9 x 13 pan with miniature marshmallows. Mix rhubarb, sugar and Jell-O. Let stand while preparing cake mix according to package directions. ... degrees for 45 minutes.
9 x 13 inch baking ... Cut chunks of rhubarb to fill pan half full. ... large box of strawberry Jello over all. Sprinkle 1 box of yellow cake mix over the top of ... like it real sweet.