PREHEAT oven to 325° F.
COMBINE sugar and cinnamon in small bowl. Break dough into 24 pieces. Roll each piece into a ball and then in sugar mixture. Place 2 inches apart on ungreased baking sheets.
BAKE for 14 to 16 minutes or until edges are set but centers are still soft. Cool on baking sheets for 2 minutes; remove to wire racks to cool completely.
VARIATION: To make Bite-Size Snickerdoodles, cut dough into 40 pieces. Follow procedure above; bake for 13 to 15 minutes.