Rhubarb Upside-Down Cake - cooking recipe

Ingredients

5 c. rhubarb (cut in pieces)
1 c. sugar
1 (3 oz.) strawberry jello
30 miniature marshmallows
1 pkg. white cake mix

Preparation

Prepare cake mix according to directions.
Butter 9 x 13-inch pan.
Fill with cut up rhubarb, sugar, strawberry Jell-O and marshmallows.
Pour cake mix over ingredients.
Bake at 350\u00b0 for 1 hour.
Turn upside down while still warm.