PREPARATION:
- Preheat oven to 350°F. Cut butter into cake mix in large bowl until mixture resembles coarse crumbs. Stir in egg and water until well blended.
- Shape dough into 1/2-inch balls; roll in walnuts, pressing nuts gently into dough. Place about 2 inches apart on ungreased cookie sheets.
- Bake cookies 12 minutes or until puffed and nearly set. Place chocolate star in center of each cookie; bake 1 minute. Cool 2 minutes on cookie sheets. Remove to wire racks to cool completely.
