Swedish Lemon Bars Recipe

1/4 lb Butter, soften
1/4 lb Margarine, soften
1 cup Flour
1/2 cup Powdered Sugar
Mix these 4 ingredients in a bowl and put into a 9 x 13 inch pan.
Bake 25 minutes in 350° oven.
4 Eggs, well beaten
1-1/2 cups Sugar
Juice of one Lemon and Rind
4 tbsps Flour
1/2 tsp Baking Powder
Mix these 5 ingredients well and pour into crust as soon as you
take it out of the oven. Bake again for 25 to 30 minutes until
nicely brown. Sprinkle with powdered sugar while still warm.
Loosen sides and cut into bars while still hot.