1. Cream shortening in a large bowl; gradually add 1-1/2 cups sugar, beating well at medium speed of an electric mixer. Add eggs, one at a time, beating after each addition.
2. Combine flour and next 3 ingredients; add to creamed mixture alternately with buttermilk, mixing well. Stir in extract. Cover; chill 1 hour.
3. Roll dough to 1/4-inch thickness on a floured surface. Cut with a 2-3/4-inch round cookie cutter; place on greased cookie sheets. Bake at 350 degrees F. for 15 minutes or until edges begin to brown. Sprinkle with sugar, if desired.