how long do I cook a 6-pound prime rib for a rare roast?

I want to cook it in the oven

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how long do I cook a 6-pound prime rib for a rare roast? — 1 Comment

  1. About 2 hours. It will be medium rare at 140F. Get a good meat thermometer and watch until it gets to this temp. It may be a bit less than 2 hours, but as long as the temp is reached, you are fine.