Lemon Bar Cookies

-----crust-----
1 c  Soft butter
1/2 c  Powdered sugar
2 c  Flour
1 ds Salt
-----filling-----
4  Eggs, beaten
1/4 c  Flour
2 c  Granulated sugar
6 tb Lemon juice; (fresh!!)
Grated rind of 2 lemons
 
Combine ingredients and mix well.  Press mixture in 9 x 13- inch greased pan. Bake at 350 F for 15 minutes or until lightly browned.
Filling: Combine flour and sugar; mix in beaten eggs, lemon juice and rind. Pour onto slightly cooled crust.  Bake at 350 F for 25 minutes or until filling is set.  Cool and sprinkle with powdered sugar.