2 1/4 c. flour, divided
1 c. margarine, softened
1/2 c. confectioners sugar, plus additional for dusting
2 c. granulated sugar
1/2 t. baking powder
6 T. ReaLemon juice
Preheat oven to 350 F.
Using a pastry blender, mix 2 c. flour with the margarine and 1/2 c. confectioners sugar until crumbly.
Press into a greased 9 x 13 pan and bake for 25 minutes.
Beat eggs slightly.
Add 2 c. granulated sugar, 1/4 c. flour, baking powder, and ReaLemon juice.
Pour over crust and bake another 25 minutes.
Sprinkle with additional confectioners sugar.
Cut into squares while hot, and allow to cool before removing from pan.