6 c. diced rhubarb
1/4 c. sugar
3/4 c. brown sugar
1/2 c. flour
1/2 c. oats
1 tsp. cinnamon
1/4 c. butter

Place rhubarb in 9x9 inch pan. Sprinkle with sugar. In small bowl, combine brown sugar, flour, oats and cinnamon. Mix well. With pastry blender or 2 knives, cut in butter until mixture resembles coarse crumbs. Sprinkle over rhubarb. Bake at 350 degrees for 35 minutes or until golden.