Recently, it has been Hershey bars and Snickers Bars.
this is a dumbquestin>just give em candy!
According to Slashfood.com, Snickers candy bars top the list for the most popular Halloween candy since 2009.
Reese's were voted #1 most selling bar in October. (I would go with Reese's)
You can make 32 bags with 3 candy bars and 2 popcorn balls in them.