In a bowl, cream butter and sugar. Beat in eggs and vanilla. Combine flour, baking soda and salt; gradually add to creamed mixture. On a lightly floured surface, shape dough into three 10-in. long rolls. Tightly wrap each roll in waxed paper. Chill for 1 hour or until firm.
Cut into 3/8-in. slices; place on greased baking sheets. Sprinkle with sugar. Bake at 375° for 8-10 minutes or until lightly browned. Cool on wire racks.