AJ Hussey on Instagram: "Fail-Proof Prime Rib Roast 🥩🔥 If you’ve ever been nervous about cooking a prime rib, this method never misses. Juicy, tender, and full of flavor — every single time. What you’ll need: Prime rib roast, onions, carrots, celery, garlic, thyme, olive oil, salt, and pepper. How to make it: 👉 Let the roast sit out for 2 hours before cooking. 👉 Preheat the oven to 500°F and give it at least an hour. 👉 Build a bed of veggies — onions face down, then carrots, celery, herbs,