Thoroughly cream shortening and sugar; add egg and beat well. Add sifted dry ingredients alternately with milk and vanilla; mix thoroughly. Roll 1/2 inch thich on lightly floured surface. Cut with floured halloween cookie cutters. Bake on greased cookie sheet in moderate oven (375) about 15 minutes. Makes 3 dozen.
Frosting: Cook sugar and water to thread-stage (232 degrees). Pour over egg whites; beat constantly until mixture forms beaks. Add orange juice. Beat until thick.