To make lemon pastry shell
Preheat oven to 400 degrees
Into large bowl combine all purpose flour, sugar and salt. Cut in shortening until mixture resembles coarse crumbs.
Mix lemon rind, lemon juice, egg and ice water, sprinkle over flour mixture, toss with fork.
Gather into a ball. Chill, if necessary. Roll out to fit a 9 inch pie plate.
Line with foil and weight down with uncooked beans or rice. Bake for 20 minutes or until edges are golden. Remove beans and foil, cool.