Rhubarb Downside Cake - cooking recipe

Ingredients

4 1/2 c. sliced rhubarb
1 1/2 c. miniature marshmallows
1 1/3 c. sugar
1 pkg. yellow cake mix

Preparation

Mix cake mix.
Pour over rest of ingredients.
Bake at 350\u00b0 for approximately 25 minutes.