2 sticks butter
1/2 c. powdered sugar
2 c. flour
Pinch of salt

Mix well and mash into bottom of 9 x 13 inch baking pan. Bake 20 minutes at 350 degrees. Meanwhile, mix together: 2 c. sugar 6 tbsp. flour 6 tbsp. lemon juice 1/2 tsp. baking powder

Spread this over the baked crust and bake 25 minutes at 350 degrees. Sprinkle with powdered sugar while still warm and cut into squares when cool.