SO MUCH FUN! The blowtorch caramelizes the sugar in the meringue and gives it that toasty marshmallow flavor. You can always use the broiler, but this is way more interesting. FYI-This is not something you want your kids to do. Have them help you spike up the meringue, but otherwise, hands off where a blowtorch is concerned. It's just too dangerous for them.
Here's the final result: