How to Make Prime Rib Au Jus
- Preheat oven to 350f. Using a paring knife, make small slits into roast about 3 inches apart and press the garlic slivers into the slits. Using a pastry brush, coat the entire roast with the mustard. Sprinkle marinade to completely cover the roast. Place on a rack in a roasting and cook until a meat thermometer inserted in center reads 130f. Remove from oven, cover with foil, and allow to rest for 10 to 15 minutes.
- to make au jus, place roasting pan over stovetop burners on med-low. whisk in wine and scrape the little brown bits from the bottom of the roasting pan. reduce slightly and add broth. Bring to a simmer and reduce slightly. serve along with slices prime rib.