Measure flour by dip-level-pour method or by sifting. Mix ingredients thoroughly. Chill 1 hour. Heat oven to 375 degrees. Roll 1/8" thick. Cut into 1 1/2" rounds. Transfer to waxed paper heavily sprinkled with sugar, turning to coat both sides. Place on ungreaed baking sheet. Prick in 4 places with fork. Bake 7-9 minutes or until slightly puffy. Do not let brown. Put 2 cooled cookies together ("right" sides facing outward on both sides).