1Heat oven to 375°F. Spray 13x9-inch pan with cooking spray. Make cookie dough as directed on pouch. Press dough in bottom of pan.
2Bake 20 to 25 minutes or until golden brown. Cool 30 minutes.
3Place about 3 tablespoons white frosting in each of 2 small bowls. Leave 1 bowl white for mittens, collar and hat trim; add very small amount red food color to other bowl to make pink for face. To remaining white frosting, stir in enough red food color to make bright red for hat, body, arms, legs and mouth. Chocolate frosting will be for hair and blue sprinkles for the eyes.
4Using sharp paring knife, cut cookie into shapes as directed on diagram. Place cookies on serving platter in elf shape. Frost and decorate elf as desired, using photo as guide.