1 pkg. Duncan Hines butter-cookie mix
1 egg
Assorted colored sugar crystal

Preheat oven to 375 degrees. Combine cookie mix and egg in large bowl. Stir until thoroughly blended. Shape dough into 36 (1 inch) balls. Flatten with bottom of glass dipped in all-purpose flour or granulated sugar. Decorate as desired. Press decorations lightly into cookie dough. Place 2 inches apart on ungreased baking sheet. Bake at 375 degrees for 7 or 8 minutes or until set. Remove immediately from baking sheet to cooling rack. Makes 3 dozen.