I got a new Lodge 12" D.O. today so decided to make a nice pot roast for dinner. Instead of cooking with coals under and on the lid of the D.O., I just fire up the WSM with a full load of Royal Oak Lump to use it as an oven. A half load of lump and 3/4 chimney of lit with an empty water pan got me to 350* fairly quick with bottom and top vent wide open. I let it go for about 2 hours and checked the braizing liquid level, then let it go another hour. I added the potatoes, carrots, and squash at the 3 hr mark and let it go another hour. Then I added mushrooms and let it go another hour. The finsihed product was VERY tender and tasty as well. I think I'm going to like this D.O.