Foolproof Prime Rib with Au Jus and Mushrooms

Christmas dinner tradition. This is always perfect. I often remove the mushrooms and serve in a different bowl, and I always have to make a huge pot of gravy because we LOVE this gravy. Leftovers are never a problem. Even leftover gravy is used for french dip sandwiches on hoagie rolls and shaved roast beef from the deli.

Foolproof Prime Rib with Au Jus and Mushrooms
Foolproof Prime Rib with Au Jus and Mushrooms

Christmas dinner tradition. This is always perfect. I often remove the mushrooms and serve in a different bowl, and I always have to make a huge pot of gravy because we LOVE this gravy. Leftovers are never a problem. Even leftover gravy is used for french dip sandwiches on hoagie rolls and shaved roast beef from the deli.

  • Preparing Time: 7 hours
  • Total Time: 7 hours
  • Served Person: 6
  • Carbohydrate 4.98940312497659 g
  • Cholesterol 268.609485583333 mg
  • Fat 103.478364602494 g
  • Fiber 0.488751039254937 g
  • Protein 62.1602713433055 g
  • Saturated Fat 42.755517029583 g
  • Serving Size 1 1 Serving (557g)
  • Sodium 233.493263333298 mg
  • Sugar 4.50065208572165 g
  • Trans Fat 12.5346046016656 g
  • Calories 1219 calories

Step-by-step

  • Have butcher cut ribs away from roast and tie back for easier carving.
  • START IN EARLY AM (6 OR 7).
  • Let rib roast stand for at least 2 hours until room temperature.
  • Season entire ROOM TEMPERATURE roast and between roast and ribs with heavy garlic, salt & pepper.
  • Place meat in iron skillet, fat side up.
  • Place in cold oven; turn on to 350° for one hour.
  • Turn off oven.
  • DO NOT PEEK OR OPEN OVEN AT ALL!
  • Let sit all day until oven is cooled down completely; this will take at least 5 hours.
  • For rare meat, turn oven back on at 350° 1 hour before you want to serve for 20 minutes, leave in oven for remaining time.
  • Med Rare- 1 hour before serving turn on for 30 minutes (then turn off oven) leave in oven for 30 minutes.
  • Well done- 1 hour before serving turn on for 40 minutes, leave in oven for 20 minutes.
  • Gravy: Remove meat from skillet.
  • Put all gravy ingredients into skillet except cornstarch and water.
  • Scrape bottom of skillet to remove bits from pan.
  • When mushrooms are done, add cornstarch mixture 1/4 cup at a time and allow to thicken to desired consistency.

My Foolproof Prime Rib: A Christmas Tradition

Christmas dinner is a big deal in our family. For years, I've searched for the perfect prime rib recipe, one that consistently delivers tender, juicy, flavorful meat. And let me tell you, this is it. This recipe for prime rib with au jus and mushrooms has become a cherished tradition, a centerpiece that always impresses, no matter how many guests we're entertaining. The rich, savory gravy is a star in its own right—we practically fight over the last drop! I often make a huge batch, knowing there will be plenty of leftovers to enjoy (and I always do!).

What makes this recipe truly foolproof? It's the low-and-slow cooking method. Starting early in the morning—yes, really, around 6 or 7 AM—allows the roast to come to room temperature, ensuring even cooking. Then, it spends hours in the oven, slowly rendering the fat and developing incredible flavor. The secret is leaving the oven OFF for several hours during the cooking process; no peeking! This slow, gentle cooking method results in a perfectly cooked prime rib, whether you prefer it rare, medium-rare, or well-done. The detailed instructions ensure that every step is crystal clear; even a novice cook can achieve prime rib perfection.

One thing I've learned over the years is that presentation matters. While the taste is undeniably the star of the show, a beautifully carved prime rib adds an extra touch of elegance to the Christmas table. I’ve found that having the butcher cut the ribs away from the roast and tie them back on helps make carving easier and more manageable. It's a small detail that makes a big difference in the final presentation and also makes serving a breeze.

And the gravy? Oh, the gravy! This is no ordinary gravy. Made in the same skillet as the roast, it captures all those delicious browned bits for an unbelievably rich and flavorful sauce. I often serve the mushrooms separately, as some family members prefer their gravy mushroom-free. The leftovers? Don't even think about wasting them! We typically make french dip sandwiches with the leftover roast beef and gravy—a delightful way to extend the Christmas cheer well beyond Christmas Day.

This recipe is more than just a culinary masterpiece; it's a family tradition, a testament to the power of simple ingredients expertly prepared. It's the embodiment of Christmas spirit—warm, inviting, and undeniably delicious. This year, make this Foolproof Prime Rib the highlight of your Christmas dinner; you won't regret it.

Ingredients: The ingredients list is straightforward—a high-quality standing rib roast, garlic, salt, pepper, mushrooms, beef bouillon, water, and herbs. The secret to the fantastic flavor isn't in fancy ingredients, but rather in the careful cooking process.

Beyond Christmas: While this recipe is traditionally a Christmas staple for us, the prime rib is versatile enough to be enjoyed year-round. It's perfect for special occasions, holidays, or any time you want to impress your family and friends with a truly unforgettable meal.

This year, ditch the stress of complicated holiday meals and embrace the simplicity and elegance of this foolproof prime rib recipe. The rich, succulent meat, complemented by the delectable au jus and flavorful mushrooms, will undoubtedly become a treasured tradition in your home.