MUSTARD-SEED-CRUSTED PRIME RIB ROAST WITH ROASTED BALSAMIC ONIONS

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Mustard-Seed-Crusted Prime Rib Roast with Roasted Balsamic Onions image

Provided by Jill Silverman Hough

Categories     Beef     Mustard     Onion     Roast     Christmas     Dinner     Vinegar     Christmas Eve     Bon Appétit     Wheat/Gluten-Free     Peanut Free     Tree Nut Free     Soy Free

Yield Makes 8 servings

Number Of Ingredients 15

1/2 cup crème fraîche
1/2 cup heavy whipping cream
1/4 cup prepared white horseradish
1 cup plus 1 teaspoon dijon mustard, divided
4 medium onions, cut into 3/4-inch wedges with some core attached
5 very large shallots (about 1 pound), quartered through root end
3 tablespoons balsamic vinegar
2 tablespoons olive oil
1 1/2 teaspoons coarse kosher salt plus additional (for sprinkling)
4 garlic cloves, minced
1 9 1/2-pound bone-in standing prime rib roast, trimmed
2 tablespoons yellow mustard seeds
1/4 cup brandy
2 cups low-salt beef broth
Chopped fresh italian parsley

Steps:

  • Using electric mixer, beat crème fraîche and cream in medium bowl to firm peaks. Fold in horseradish and 1/3 cup mustard. Season to taste with salt and pepper. Cover and chill. DO AHEAD: Can be made 8 hours ahead. Keep chilled. Rewhisk before serving.
  • Preheat oven to 450°f. Toss onions, shallots, vinegar, oil, and 1 1/2 teaspoons coarse salt in large bowl. Sprinkle roast lightly with coarse salt and generously with pepper. Stir 2/3 cup mustard and garlic in small bowl; rub over roast. Place roast, bone side down, in roasting pan. Sprinkle mustard seeds over, pressing to adhere. Roast 20 minutes. Reduce oven temperature to 350°F.
  • Arrange onion mixture around roast. Return to oven; roast until instant-read thermometer inserted into center registers 120°F, stirring onion mixture occasionally, about 2 1/4 hours for medium-rare.
  • Transfer roast to work surface. Tent with foil; let rest 30 minutes. If necessary, increase oven temperature to 450°F and return onion mixture to roasting pan and roast until deep brown and very tender, about 10 minutes. Using slotted spoon, transfer onion mixture to medium bowl.
  • Place roasting pan over 2 burners on medium-high heat. Add brandy; stir 30 seconds. Whisk in broth and remaining 1 teaspoon mustard; boil until reduced to 1 1/4 cups jus, stirring occasionally, about 10 minutes. Season jus with salt and pepper.
  • Slice roast; arrange on platter. Spoon onions around roast. Sprinkle parsley over. Pass dijon crème fraîche and jus alongside.
  • What to drink:
  • The king of roasts meets its match in the king of wines. Dijon mustard's pleasant sharpness softens Cabernet's big tannins. With the roast, try the ROBERT MONDAVI 2006 CABERNET SAUVIGNON OAKVILLE (California, $45). The wine's spice and blackberry flavors are perfect with the beef.

Tina Moraza
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I was a bit hesitant to try this recipe because I'm not a big fan of mustard, but I'm glad I did! The mustard seed crust was actually very flavorful and not overpowering. The meat was cooked perfectly and the onions were delicious.


rajeevan rajeevan
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This recipe was a bit more challenging than I expected, but it was worth it! The prime rib was cooked perfectly and the crust was delicious. The onions were also very good.


Gabby Wilson
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The mustard seed crust on this prime rib roast was amazing! It added so much flavor to the meat. The onions were also delicious. I will definitely be making this again.


md shaeyb
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This was my first time making prime rib and it turned out perfectly! The crust was crispy and flavorful and the meat was cooked to perfection. I will definitely be making this again.


Kormokar Probir
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I've made this recipe several times now and it's always a crowd-pleaser. The mustard seed crust is so unique and flavorful. I highly recommend it!


Nlb Zero
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This recipe was easy to follow and the results were amazing. The prime rib was cooked evenly and the crust was golden brown and flavorful. The onions were caramelized and sweet.


Md nayem Ahmed
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I followed the recipe exactly and the prime rib turned out perfectly. The crust was crispy and flavorful, and the meat was cooked to perfection. The onions were also delicious.


Senzo Mac
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This recipe is a keeper! The prime rib was so tender and juicy, and the crust was perfectly crispy. The onions were also delicious. I will definitely be making this again for special occasions.


Henrietta Ajirioghene
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Overall, I was very happy with this recipe. The prime rib was cooked perfectly and the crust was flavorful. The onions were also very good.


Miss Laboni Sultana Miss Laboni Sultana
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I was a bit hesitant to try this recipe because I'm not a big fan of mustard, but I'm glad I did! The mustard seed crust was actually very flavorful and not overpowering. The meat was cooked perfectly and the onions were delicious.


Margie Ndyanabo
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This recipe was a bit more challenging than I expected, but it was worth it! The prime rib was cooked perfectly and the crust was delicious. The onions were also very good.


Syed Hamzapfm
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The mustard seed crust on this prime rib roast was amazing! It added so much flavor to the meat. The onions were also delicious. I will definitely be making this again.


FNONBA
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This was my first time making prime rib and it turned out perfectly! The crust was crispy and flavorful and the meat was cooked to perfection. I will definitely be making this again.


chengxienleng Go
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I've made this recipe several times now and it's always a crowd-pleaser. The mustard seed crust is so unique and flavorful. I highly recommend it!


Sami Dlamini
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The recipe was easy to follow and the results were amazing. The prime rib was cooked evenly and the crust was golden brown and flavorful. The onions were caramelized and sweet.


Taitan McCauley
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This mustard seed crusted prime rib roast was a hit at our holiday dinner! The meat was cooked to perfection and the crust was flavorful and crispy. The roasted balsamic onions were the perfect accompaniment.