When it comes to “on the fly” treats, one of the best options is the bark road. If you have even a little bit of a sweet tooth you are likely to have a bag of chocolate in your house. Melt that chocolate and throw in whatever looks good- candy, oreos, Bacon, ...and you’re done in 15 minutes.
Find this recipe here: http://vanillalemonade.com/2012/10/28/halloween-bacon-oreo-bark/