PREHEAT oven to 325° F. Grease large baking sheet.
PLACE whole bar of dough on prepared baking sheet. Allow to soften for 5 to 10 minutes. Using fingertips, pat dough gently to form an 8- to 9-inch bunny-head shape.
BAKE for 20 to 23 minutes or until light golden brown. Cool on baking sheet for 2 minutes; carefully loosen cookie with spatula. Cool completely on wire rack on baking sheet.
DECORATE as desired.