You can substitute the flavour with the ice cream of your choice. You can also replace vodka with brandy or rum.
Choose a ladle with a coating that allows for this kind of manipulation over a flame, i.e. stainless steel or aluminum (not glass or plastic). If you have an induction cooktop, you cannot precede in this way, just warm alcohol in a small saucepan. If you find that there are not enough flames to burn your meringue, continue burning with a small culinary torch.