Perfect Key Lime Pie

In the Dexter television show, Camilla Figg is suffering with terminal lung cancer. Dexter promises to bring her as many key lime pies as she can stand. In the end, he helps her die by adding a euthanizing agent to a slice of pie, which she calls the perfect pie.

Here's how to make a key lime pie (this one does not have the side effect of death):

https://en.wikibooks.org/wiki/Cookbook:Key_Lime_Pie