Place decorated cookies in small gift bags to give to trick-or-treaters.
For a quick Halloween dessert, prepare JELL-O Chocolate Instant Pudding as directed on package; spoon into dessert cups. Refrigerate until ready to serve. Garnish with decorated cookies just before serving.
How to Make Just a Few Ghosts
If you want to make only a few ghosts, remember that 1 melted chocolate square is enough to frost about 3 cookies.