1 c. sugar
1/3 c. flour
2 qts. rhubarb, cut into 1 1/2" pieces
1 c. flour
1/2 c. uncooked oats
1/2 c. each dark brown sugar, sugar, melted butter

In large bowl, combine 1 cup sugar and 1/3 cup flour. Add rhubarb and toss until coated. Spoon into 13"x9"x2" baking dish. Combine remaining flour, oats, and sugars in same bowl. Add cooled, melted butter and mix with pastry blender until crumbly. Sprinkle over rhubarb. Bake at 375 degrees for 35 minutes or until topping is browned. Serve warm with ice cream.