Lemon bars

Crust
2 cups flour
½ cup powdered sugar
1 cup margarine
Mix, mash in pan, bake 350 degrees 20-25 min.

Filling
2 cups sugar
4 eggs
juice of 2 lemons
pinch of salt
4 Tbs. Flour
Pour over crust. Bake another 20 min. Then sprinkle with powdered sugar.