Lemon Bars

1 1/2 Cups plus 3 tbsp Flour
3/4 cup Margarine or Butter
1 1/2 cups Sugar
1/2 cup Lemon Juice, from Concentrate
1/2 cup Powdered sugar
4 eggs
1 tsp Baking Powder

Preheat oven to 350 degrees. In bowl, combine 1 1/2 cups flour and powdered sugar. Cut in margarine until crumbly. Press onto bottom of lightly greased 9 by 13 inch baking pan and bake 15 minutes. In bowl, combine eggs, sugar, baking powder, lemon juice, and 3 remaining tablespoons flour and mix well. Pour over baked crust; bake 20 to 25 minutes or until golden brown. When cool, cut into bars. Sprinkle with additional powdered sugar. Store covered in refrigerator. Makes 24 to 36 bars.