Lemon Bars Deluxe

2 cups flour
1/2 cup sifted confectioners' sugar
1 cup margarine
4 eggs, beaten
2 cups granulated sugar
1/3 cup lemon juice (from 3 lemons)
1/4 cup flour
1/2 teaspoon baking powder

Sift 2 cups flour and confectioners' sugar together. Cut in margarine. Press into a 13 x 9-inch pan. Bake at 350 degrees F for 20 to 25 minutes.

Beat eggs, sugar and lemon juice. Sift 1/4 cup flour and baking powder together. Stir into egg mixture. Pour over crust. Bake at 350 degrees F for 25 minutes. Sprinkle with confectioners' sugar. Cool and cut into bars.