Rhubarb Bars

1 c. butter
2 c. flour
10 Tbsp. powdered sugar
3 c. sugar
1/2 c. flour
4 c. rhubarb, cut up
4 beaten eggs

Mix butter, two cups flour and powdered sugar; pat into well-greased 18×12” cookie sheet. Bake at 350° for 15-20 minutes; cool. Mix together remaining ingredients and pour over crust. Bake at 350° for 40 minutes. Cool and cut into bars.