Prep 16 mins
Cook 3 hrs
The roast can be served on or off the bones. To crack whole peppercorns, enclose them in a resealable plastic bag and crush slightly with a meat mallet. Bon Appetit 2002
- 8 1⁄2 lbs standing rib roast, top fat trimmed (weight with bones)
- vegetable oil
- 12 tablespoons unsalted butter, room temperature
- 2 tablespoons fresh coarse ground black pepper
- 4 large garlic cloves, minced
- 1⁄2 teaspoon salt
- 2 1⁄4 cups low sodium beef broth
- 1⁄2 cup dry red wine
- Place roast, fat side up, in roasting pan.
- Brush exposed ends of roast with vegetable oil.
- Sprinkle roast lightly all over with salt.
- Mix 8 tablespoons butter, 2 tablespoons cracked pepper, minced garlic, and 1/2 teaspoon salt in small bowl.
- Reserve 2 tablespoons pepper butter for sauce.
- Spread remaining pepper butter all over top (fat side) of roast. (Can be prepared 1 day ahead. Cover roast and reserved pepper butter separately; chill.).
- Position rack in bottom third of oven and preheat to 350°F
- Roast rib roast until instant-read thermometer inserted into thickest part of meat registers 125°F for medium-rare, about 2 hours 45 minutes.
- Transfer roast to platter and cover loosely with foil; let rest 30 minutes (temperature will rise slightly as roast stands).
- Strain pan juices from roasting pan into measuring cup.
- Skim off any fat from top of pan juices; discard fat.
- Return pan juices to roasting pan; set pan over 2 burners.
- Add broth and wine to roasting pan and boil over high heat until liquid is reduced to 1 1/4 cups, scraping up any browned bits from bottom of pan, about 6 minutes.
- Whisk in reserved pepper butter and remaining 4 tablespoons plain butter.
- Season with more salt and pepper, if desired.
- Surround roast with Roasted Red Onions.
- Garnish with watercress.
- Slice roast and serve with sauce.