Well, your pit temp sounds good. I always go with at least pepper, and sometimes something like dizzy dust or maybe a hot rub, but that has no affect on the moistness. I'm okay with JD and I buy Farmland regular to take to work.....
Are you wrapping them and resting for an hour? This makes a difference. When I cook specifically for reheating the next day, I foil at 150* and cook for about 20 minutes more, the keep in the foil. Usually I reheat in the micro at work and in a skillet at home.
Your own fatties are actually a bit harder to cook, so nail the storebought ones first.
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