Steps

1. *Pre-Work:
2. Buy prime rib
3. Apply dry seasoning
4. Let seasoning permeate for at least an hour or overnight
5. Calculate your cook time and schedule (see below)
6. *Your timings:
7. Take out of fridge and let rest for 60 minutes.
8. Cook at 450 degrees for 20 minutes
9. Cook at 325 degrees for 60 minutes
10. Rest for: 10 minutes
11. Total Time: 2.5 hours:
12. *Day Of:
13. An hour before cooking (two hours if you have a huge roast), take the roast outside the fridge to bring it to room temperature
14. Pre-heat oven to 450 degrees F
15. Stick the probe thermometer in the middle of the roast, avoiding the bone
16. Set the probe thermometer alarm to 130 Degrees F.
17. Place the roast in the oven, with the thermometer outside
18. Cook the roast for 20 minutes @ 450 Degrees F
19. Cook the roast for 15 mins x number of lbs @ 325 Degrees F - OR until the probe thermometer rings
20. Tent the roast with foil for 10 minutes
21. *Carve
22. Make your sauce