 Let's get down and dirty with key lime pie, shall we? Did you know, and I'm sure you did, but I did a little research, and I didn't realize that cream pies are actually an American tradition dating back to the early 1800s. Pastry crust and meringue. Yep, I did. Once I knew we were going to do the episode, I did some research, and that's how I found out, too. Yes, and it was the eponymous cream that was referred to as the dairy in the custard filling, right? And that is exactly what a key lime pie is.