1 Preheat oven to 350 degrees F (175 degrees C).
2 Mix 2 cups of flour and confectioner's sugar together. Cut in the butter or margarine. Mix well until the dough resembles pie dough consistency. Press the dough into a 9x13 inch baking pan.
3 Bake 15 to 20 minutes or until golden brown.
4 Beat together eggs, sugar, 4 tablespoons flour, lemon juice and lemon rind for at least 1 minute. Pour the mixture over the baked crust.
5 Bake the bars another 20 minutes, or until the lemon topping has set. Sprinkle with confectioner's sugar when cooled.