A few tips: Letting the cast-iron pan preheat in a blazing hot oven will help ensure a crispy bottom crust, just be careful getting it in and out of the oven. You can use rotisserie chicken or your own leftovers. But what really makes this recipe stand out is the blue cheese dressing, which is mild enough to convert the blue cheese adverse. We used Lodge’s 17" cast iron skillet because we like the ease of the double handles.