Servings: 16

3 C.  Diced rhubarb 3 C.  Diced rhubarb
1 C.  Sugar 1 C.  Sugar
3 T.  All-purpose flour 3 T.  All-purpose flour
1 C.  Light brown sugar, packed 1 C.  Light brown sugar, packed
1 C.  Quick cooking oats 1 C.  Quick cooking oats
1 ½ C.  All-purpose flour 1 ½ C.  All-purpose flour
1 C.  Butter 1 C.  Butter

Lightly grease a 9x13 inch baking dish.
In a large mixing bowl combine rhubarb, white sugar, and 3 tablespoons flour. Stir well and spread evenly into baking dish. Set aside.
In a large mixing bowl combine brown sugar, oats, and 1 ½ cups flour. Stir well then cut in butter or margarine until mixture is crumbly. Sprinkle mixture over rhubarb layer.
Bake in preheated oven for 40 minutes. Serve hot or cold.