The very first time I ever tried the prime rib 500 rule (AKA the perfectprime rib recipe),itturned out amazing! In fact, it was such a hit with everyone that I made prime rib again the next Christmas Eve, and one after that, and the one afterthat! I am totally hooked on it because this foolproof prime rib method works!Here’s a quick look at how to cook prime rib with the closed oven method: for medium-rare prime rib, you cook a prime rib roast at 500 degrees for 5-6 minutes per pound, then turn the oven off and leave the door closed for two hours. At that point, the temperature of the prime rib will be perfect (or very nearly so!) It’s the best method for cooking prime rib because it’s virtually foolproof.I first encountered the prime rib closed oven recipe years ago, after asking my siblings if they were interested in pitching in so we could have a Christmas prime rib — a big departure from our standard honey-baked ham! I even offered to cook it, which was pretty bold considering I’d...
