I just do mine at 250° all the way through, no peeking, no spritz. If you want sauce, I like putting sauce on a piece of foil, and wrapping the ribs, once they’re done, meat side down in the sauce and resting that way for an hour ish. St. Louis ribs take 4-5 hrs this way, it depends on how meaty they are, and how you like your ribs. Sent from my iPad using Tapatalk