Rhubarb Upside-Down Cake - cooking recipe

Ingredients

5 c. rhubarb, cut fine
1 (3 oz.) pkg. Jell-O (strawberry, raspberry or cherry)
1 c. sugar
3 c. small marshmallows
1 yellow cake mix, prepared according to directions on box

Preparation

Put rhubarb in a 9 x 13-inch cake pan.
Sprinkle Jell-O over rhubarb. Sprinkle sugar over.
Put 3 cups of small marshmallows on top.
Pour cake batter over all.
Bake at 350\u00b0 for 1 hour.