
1 (5-pound) boneless beef ribeye roast
½ cup unsalted butter, room temperature
¼ cup chopped fresh rosemary, plus additional for garnish
¼ cup chopped fresh thyme, plus additional for garnish
6 cloves garlic, minced
1 tablespoon flaky sea salt, plus additional for garnish
1 tablespoon cracked black peppercorns, plus additional for garnish
1 recipe Herb-Roasted Beef Gravy, recipe; for serving
Pan drippings from Herb-Roasted Prime Beef Roast
1 to 2 cups beef stock, divided
Unsalted butter, melted; if needed
¼ cup all-purpose flour
½ teaspoon Worcestershire sauce
Coarsely ground black pepper, to taste