How to Make Rhubarb Upside Down Cake
- Preheat oven to 350*
- Spray 9x13 pan with cooking spray.
- Layer first four ingredients in pan - in order given.
- Mix cake mix according to package directions. Pour over ingredients in pan.
- Bake at 350* for 50-55 minutes or until cake tests done.
- Let stand for 5 to 10 minutes - turn out onto cookie sheet. Let cool completely.
- Serve with whipped cream or vanilla ice cream.