Rating Newest Oldest. Best Answer: For a boneless prime rib it averages about 15 minutes per pound at 350F, but it really is best to have a meat thermometer. For medium-rare, you want to take it out of the oven at 135, because it's going to keep cooking a bit, even after it's out of the oven.o to this website for complete directions for low temperature cooking process:http://www.cookingforengineers.com/recip... If you want to cook the prime rib at a higher temperature, start out a 450 degrees F for 15 minutes, then reduce the temperature to 325 degrees F, and roast for 12 to 13 minutes per pound.
Your grill's serial number and model number, and the contact information for Brinkmann Customer Service, are listed on a silver label found beneath the control panel, on the back of the grill or on the side of the grill body, under the side shelf.
Jocelyn Vodnik/Demand Media. Identify the type of Weber gas grill by checking the model plate bolted to the front control panel on the lower left-hand corner. Jocelyn Vodnik/Demand Media. Identify the model of a Weber charcoal grill by checking the plate on the dome lid of the kettle.