Sift flour and powdered sugar together.
butter until mixture clings together.
Press into 9 x 13" pan.
Bake at 350° F for 20-25 minutes until
Beat eggs, sugar and lemon juice
Stir sifted flour and baking powder into egg mixture.
Pour over crust, and bake at 350° F for 25 minutes. (may need 30
Cool thoroughly, sprinkle with powdered sugar, and cut