Deviled eggs are delicious any time of year, and even more so when you can decorate them with fun fall designs. These deviled eggs each have a secret ingredient that dresses them up for Halloween. Make this classic appetizer to enjoy at your next Halloween gathering. If you're traveling with the Halloween deviled eggs, here's an easy tip: Prep the eggs ahead of time, but wait to fill them until you arrive. Store the filling in a zip-top bag, then simply snip the corner for easy piping. Happy haunting!