Here's another recipe for Rhubarb Crumble.
RHUBARB PUDDING CRUMBLE
4 cups chopped Rhubarb
1/2-cup sugar
1 package strawberry jello
1 small package Jiffy yellow cake mix contents (do not make up a cake batter)
1 cup cold water
Layer ingredients into 9x12 baking dish in order of listing.
Bake 1 hours at 350-degrees F.
Cool. Top with scoop of ice cream or whipped cream.