BEAT first 5 ingredients in large bowl with mixer until well blended. Add flour, baking soda and nuts; mix well. Refrigerate 30 min.

HEAT oven to 350°F. Shape dough into 1-inch balls. Shape each into crescent. Place, 2 inches apart, on greased baking sheets; flatten slightly.

BAKE 12 to 15 min. or until lightly browned. Cool 3 min. on baking sheets. Remove to wire racks. Sprinkle with icing sugar; cool completely.