01 -
Preheat the oven to 425°F. Cut the garlic into several pieces, make small cuts into the roast, and stuff the garlic pieces in. Sprinkle the meat with black pepper and slather all over with Dijon mustard.
02 -
Place the roast in a cast iron skillet or any oven-safe pan. Transfer to the oven and roast for 15 minutes at 425°F.
03 -
Reduce the oven temperature to 375°F and roast until the internal temperature reaches 130-135°F for medium-rare, about 40 minutes longer. For medium, cook to 145°F. Keep in mind the temperature will rise a few degrees after removing from the oven.
04 -
Remove the roast from the oven and let rest for at least 15 minutes, tented loosely with foil. Remove the garlic and string, then slice thinly.
05 -
Place the pan with drippings over medium heat and melt 1 tablespoon of butter. Sprinkle in the flour and whisk continuously for 1-2 minutes. Deglaze the pan with wine, whisking constantly, and let the wine reduce by half. Whisk in the beef stock and simmer until slightly thickened, about 4-5 minutes. Season with salt and pepper to taste.