Cream shortening; gradually add 1 cup sugar, beating at medium speed of an electric mixer until light and fluffy.
Add egg and molasses; mix well.
Combine flour, soda, salt, and spices; mix well.
Add about one fourth of dry mixture at a time to creamed mixture, mixing until smooth after each addition.
Chill dough at least 1 hour.
Shape dough into 1 inch balls, and roll in sugar.
Place 2 inches apart on un greased cookie sheets.
Bake at 375° for 10 minutes.
Cool on wire racks.