In a heavy saucepan over ... in flour and oatmeal until crumbly, reserve 1 cup for top. Press mixture into a ... over this evenly. Crumble remaining 1 cup mixture over top. Bake 350 for 30-35 minutes.
Mix crust ingredients until crumbly. ... Pour over rhubarb. Crumble remainder of crust/topping mixture over top surface and bake at 350 degrees for 1 hour.