From MarthaStewart.com:

Just because these Halloween appetizers and main course dishes are spooky and spine-tingling doesn’t mean they won’t satisfy hungry party guests.

Putting a sinister face on party food takes nothing more than some simple sleight of hand — and a bit of heat. Mix up deviled eggs using your favorite recipe, and add a dash of cayenne and some hot sauce for kick. Then bring them to life with pointed facial features: Triangles of red bell pepper and dark green scallions make horns and a goatee; snipped chives form a skinny ‘stache.