2 cups flour
1 cup butter
1/2 cup powdered sugar

Combine with pastry blender and pat into 9x13 pan. Bake 350 degrees for 20 minutes.
While crust is baking mix the following:

2 cups granulated sugar
4 eggs
juice from 2 lemons (5 T.)
1/4 cup flour
1 t. baking powder
dash salt

Mix eggs, sugar, salt and lemon juice. Mix flour and baking powder and fold in the egg mixture. Pour onto hot crust and bake 25 minutes longer. Cool and cut into bars. Sprinkle with powdered sugar. Makes 24 bars.