Steps:
- Cook roast:
- Let roast stand at room temperature 1 hour.
- Put oven rack in middle position and preheat oven to 450°F. Trim all but a thin layer of fat from roast, then rub roast all over with porcini powder, salt, and pepper. Transfer to a rack set in a 13- by 9-inch roasting pan. Roast beef 20 minutes, then reduce temperature to 350°F and roast until thermometer inserted into center of meat registers 110°F, 1 1/2 to 2 hours more. Transfer to a large platter and let stand, uncovered, 30 minutes. (Internal temperature of meat will rise to 130°F for medium-rare.)
- Prepare sauce while meat comes to room temperature and roasts:
- Cook halved onion, cut sides down, undisturbed, in 1 tablespoon butter in a 2-quart heavy nonreactive saucepan over moderate heat until browned well, about 4 minutes. Add chopped onion, shallots, carrot, celery, garlic, and 2 tablespoons butter and reduce heat to moderately low, then cook, covered, stirring occasionally, until chopped vegetables are softened, 8 to 10 minutes. Add tomato paste, herbs, bay leaf, peppercorns, and 2 cups wine and boil, uncovered, over moderately high heat until liquid is reduced to about 1/4 cup, 25 to 30 minutes. Pour through a fine-mesh sieve set into another 2-quart heavy saucepan, pressing on and then discarding solids.
- While wine reduces, soak porcini in boiling-hot water (2 cups) in a bowl until softened, about 20 minutes. Drain porcini in a paper-towel-lined sieve set over a bowl and reserve soaking liquid. Rinse porcini and pat dry, then finely chop. Set aside.
- Add porcini-soaking liquid, demi-glace, and remaining 1 3/4 cups wine to reduced liquid in saucepan and boil, uncovered, over moderately high heat, skimming off froth occasionally, until reduced to about 2 cups, 20 to 35 minutes. Stir in reserved porcini, then reduce heat to low and whisk in 1/2 teaspoon salt, any juices from meat accumulated on platter, and remaining 3 tablespoons butter until incorporated.
- Slice roast across the grain and serve with sauce on the side.
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Alice Owusuaa fordjour
[email protected]This was the best prime rib roast I've ever had! The meat was cooked to perfection and the red wine sauce was divine. I will definitely be making this again.
CreativeMarcia 11
[email protected]This recipe is a winner! The prime rib roast was tender and juicy, and the red wine sauce was rich and flavorful. I'll definitely be making this again.
Dragbob
[email protected]The prime rib roast was cooked perfectly, but the red wine sauce was a bit too salty for my taste. Next time, I'll try making it with less salt.
Shaheen Sultana
[email protected]This was my first time making prime rib roast, and it turned out great! The recipe was easy to follow and the end result was a delicious, impressive dish.
kyubey
[email protected]I love this recipe! The prime rib roast is always tender and juicy, and the red wine sauce is the perfect complement. I've made it several times and it's always a hit.
Drishty Khan
[email protected]Wow! This prime rib roast was amazing. The meat was cooked to perfection and the red wine sauce was delicious. I will definitely be making this again.
Shaban Malik
[email protected]This recipe is a keeper! The prime rib roast was tender and juicy, and the red wine sauce was rich and flavorful. I will definitely be making this again.
Antiapas Hawk
[email protected]The prime rib roast was cooked perfectly, but the red wine sauce was a bit too sweet for my taste. Next time, I'll try making it with a different sauce.
Maharup Hasan Asif
[email protected]This was my first time making prime rib roast, and I was a little intimidated, but this recipe made it easy. The instructions were clear and concise, and the end result was a delicious, impressive dish.
Gene Franco
[email protected]I've made this prime rib roast recipe several times now, and it always turns out amazing. The red wine sauce is the perfect complement to the beef, and the whole dish is always a crowd-pleaser.
Ontor Mahmud joy
[email protected]This prime rib roast with red wine sauce was an absolute hit at our dinner party! The meat was cooked to perfection, tender and juicy, and the red wine sauce was rich and flavorful. Everyone raved about it.