Rhubarb Upside-Down Cake - cooking recipe

Ingredients

5 c. diced rhubarb
1 1/2 c. sugar
1 (3 oz.) strawberry jello
3 c. small marshmallows
1 yellow cake mix
1 (16 oz.) Cool Whip

Preparation

Sprinkle rhubarb in a 9 x 13-inch pan sprayed with cooking spray.
Sprinkle sugar, strawberry jello and marshmallows on top. Prepare cake mix according to directions.
Pour over rhubarb mixture.
Bake at 350\u00b0 for 50 minutes.