A beef tenderloin can come out dry and tough if not properly prepared. This how to video shows you how to prepare a whole beef tenderloin for smoking in the Weber Smokey Mountain Cooker. Watch and learn how simple it is to do. Start by removing the surface membranes, the fat and the strip of meat along the side of the tenderloin. Finish up by removing the silver skin which tends to make the meat curl when it cooks.