Over a fire in cast iron is ALWAYS the best. However, with three kids running around, popping it in the oven on a cast iron flat griddle in a rimmed cookie sheet is a close second. I don't have to flip it, no spattering grease to burn kids, and I just have to open the door quick to evaluate the progress. My wife prefers it this way, particularly because it gets crispy without burning it and their is just a nice hint of bacon cooking rather than the full-on assault that makes the coats and everything else in the house smell like bacon for days. If making it for burgers, I put it on the grill, right on the grate until finished, and then put it on the burgers to keep it from burning.
