Lemon Bars

2 1/2 C flour
1/2 C powdered sugar
3/4 C butter
1/2 tsp baking powder
4 large eggs, slightly beaten
2 C sugar
1/2 tsp grated lemon rind
1/3 C lemon juice
pinch of salt
powdered sugar

Combine 2 C flour & 1/2 C powdered sugar; cut in butter with pastry blender until crumbly. Press into 13X9 pan; Bake 350 degrees 20-25 min...till lightly browned. Combine remaining 1/2 C flour and baking powder; set aside. Combine eggs, 2 C sugar, lemon rind, lemon juice, salt. Stir in flour mixture. Pour over prepared crust. Bake 350 degrees for 25 min. dust with powdered sugar when cool.