Anonymous wrote:Worst case, pour the whole thing in a big mixing bowl, whisk in some rum, pour into martini glasses (maybe after crusting their rims with lime juice and graham cracker crumbs). Chill just a bit to set, then garnish with whipped cream and very thin key lime half-moon slices.
OP here --So I slathered whipped cream on top as a PP suggested and it turned out fine, but I wish I'd seen this suggestion before serving it. I'm going to try it this weekend, though (minus crusting the rims, I think). Thanks all and best wishes for your frozen dessert endeavours!