PREHEAT oven to 375ºF. Place ingredients in large bowl. Beat with electric mixer on low speed 1 min., then beat on medium speed 1 min. or until mixture pulls away from side of bowl and forms soft dough.
SHAPE into 44 (1-inch) balls. Place, 2 inches apart, on baking sheets. Flatten each ball, in criss-cross pattern. Sprinkle with sugar.
BAKE 7 to 8 min. or just until edges of cookies are set. (Do not overbake.) Cool on baking sheet 2 min. Remove to wire racks; cool completely.