Although cookies and treats get a lot of the focus over the holidays you are also going to be hosting some big meals and it is always nice to have something special like a roast turkey or a prime rib. This year I was thinking about prime rib, which is always a good option, and I thought that I would try something new, a mushroom crusted prime rib. Beef and mushrooms are a fabulous flavour combination that creates plenty of umami so you really cannot go wrong crusting mushrooms on your prime rib. This recipe starts by rubbing the roast with a mixture of dijon mustard, white miso paste, garlic and fresh cracked black pepper and then pressing on the crust of chopped dried porcini mushrooms. One of the great things about a prime rib roast is that it’s just that easy, you coat it as desired, place it in the oven and roast it until a meat thermometer indicated that is is done, let it rest and then slice it! While the prime rib is roasting you are free to work on side dishes or to chat with family and friends. No matter how you slice it, this mushroom crusted prime rib dinner is sure to be a hit for your special holiday dinner!
Don’t forget to us the pan drippings to make some au jus (see below), gravy or yorkshire pudding!
Perfectly medium rare!
I served my prime rib dinner with a side of Roasted Brussels Sprouts and Bacon in a Mustard Cream Sauce!
Mushroom Crusted Prime Rib Roast
A perfectly cooked prime rib roast crusted with dried porcini mushrooms that is perfect for any special occasion.
- 1 tablespoon dijon mustard
- 1 tablespoon white miso paste
- 1 tablespoon oil
- 2 teaspoons thyme, chopped
- 2 cloves garlic, chopped
- 2 teaspoons black pepper, coarsely ground
- 1 (4 pound) prime rib roast with bone and cap
- 1 ounce dried porcini mushrooms, chopped into small bits
- 1/2 cup red wine
- 2 cups beef broth
- 2 teaspoons Worcestershire sauce
- salt and pepper to taste
For the prime rib:
For the au jus:
- Mix the mustard, miso, oil, thyme, garlic and pepper and rub it all over the prime rib before pressing the dried mushrooms onto the roast.
- Place the beef in an oven safe roasting dish with the bones on the bottom and the fat cap on the top, stick a meat thermometer into the middle of the thickest part, roast in a preheated 450F/230C oven for 15 minutes, reduce the temperature to 275F/140C and continue roasting until the temperature reaches the desired doneness (135F for medium rare, about 2 hours). Note: The temperature of the roast will continue to rise a few degrees while resting.
- Remove the roast from the oven and set aside to rest, covered for 20 minutes before slicing.
- Meanwhile, drain all but 2 tablespoons of the dripping from the pan, place the pan over medium heat, add the red wine, deglaze the pan, add the beef broth and Worcestershire sauce and simmer for 5 minutes before seasoning with season with salt and pepper to taste.
For the prime rib:
For the au jus:
Option: Replace the porcini mushrooms with another mushroom such as shiitake mushrooms.
Note: This recipe is for a small, 1 rib (~4 pound) prime rib, but it easily scales up for larger roasts.
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