Love the taste of prime rib? Love the taste of barbecue? You can combine them together for cooking roast prime rib on the grill. It takes a bit longer than hamburgers, but cooking roast prime rib on the grill gives you a fabulous roast that everyone enjoys.

You need a lot of charcoal for cooking prime rib on the grill. The cooking time is about two hours so you need about 8 pounds of good quality charcoal. Fire up the charcoal and wait until the flames die down and the charcoal is giving off a good heat.

When cooking prime rib on the grill, you don't want the meat to be directly over the hot coals. Move them over to one side of the grill so that you can place the roast on the other side. Before putting the meat on the barbecue, rub the exterior with a mixture of coarse salt, pepper and herbs.

You can use either bone on or bone off when cooking roast prime rib on the grill. You can ask the butcher to remove the bones and then tie them back onto the meat. This gives you the best of both worlds -- easy carving and great tasting ribs.

Place the meat on the grill and cover it tightly. If the cover has vents, you want to close them as well. Check the grill from time to time to make sure it has enough heat to for cooking roast prime rib on the grill. If it cools off, you can open the events to let the flames build up again.

After two hours of cooking roast prime rib on the grill, take the cover off and check the temperature with a meat thermometer. The interior will be about 115? when the meat is rare, and 150? is well done. Be sure to check the temperature as close to the middle as possible.

After cooking roast prime rib on the grill to your taste, remove it from the grill and let it sit for about 15 minutes before serving. I hope you bought a big enough roast because your guests will ask for seconds and thirds!

Hans is author of Steaks, Seafood and Barbeque guide and the Grill and Barbeque section of Patio Furniture Ideas