I served these, too. I think I must use salty ham, because I don't add any cheese, and they're anything but bland.
Also, I make them in the giant muffin tin, but use extra ham and only one egg. I get less burned edges (some guests didn't like that) and the egg cooks more evenly - more of a poached result than the hard-boiled type result.
And maybe it's me, but even with non-stick spray or oil, I always seem to have one "leaker" who just doesn't want to leave the pan in one piece. So I always make a few extra, serve the nicest looking ones, and the rest are breakfast or lunch for whoever (family) grabs them. DH is eating a very tasty breakfast right now - same as the guests, only doesn't look as nice (apparently, it tastes just fine).

