3-4 c. diced rhubarb
1 c. sugar
3 tbsp. flour
1 c. brown sugar
1 c. rolled oats
1 1/2 c. flour
1/2 c. butter
1/2 c. shortening

Combine first 3 ingredients - rhubarb, sugar and flour. Place in greased 8x8 pan. Mix remaining ingredients, press over first layer. Bake 40 minutes at 375 degrees.