Mix rhubarb, brown sugar, water, strawberry balsamic, and nutmeg. Place in a casserole dish.
Combine flour, oatmeal, brown sugar and a dash of salt. Mix well , add butter olive oil and mix until crumbly. Sprinkle over the rhubarb.
Bake crumble at 350 degrees for 30-40 minutes or until the rhubarb is tender.
Serve warm with ice cream.
Prep: 15 minutes
Bake: 40 minutes
Makes: 4 – 6 servings