Lemon Squares

Crust:
½ c. softened butter
2 c. flour
1 ½ c. sugar
Dash of salt
Combine soft butter, margarine, flour, sugar, and salt. Mix well. Pat into a 9x13 pan, extending crust up edges. Bake at 350 degrees for 15 min.

Filling:
2 c. sugar
¼ c. flour
4 eggs, well beaten
½ c. lemon juice
Combine sugar, flour, eggs, and lemon juice. Mix well. Pour over crust. Return to oven and bake 25 more min. Sprinkle with powder sugar.