INGREDIENTS
•
1 (3 1/2- to 4-pound) boneless beef chuck-eye roast, pulled into two pieces at natural seam and trimmed of large knobs of fat
•
kosher salt
•
2 tablespoons unsalted butter
•
2 medium onions, halved and sliced thin (about 2 cups)
•
1 large carrot, chopped medium (about 1 cup)
•
1 celery rib, chopped medium (about 3/4 cup)
•
2 medium garlic cloves, minced or pressed through garlic press (about 2 teaspoons)
•
1 cup beef broth, plus 1 to 2 cups for sauce (see note)
•
1/2 cup dry red wine, plus 1/4 cup for sauce
•
1 tablespoon tomato paste
•
1 bay leaf
•
1 sprig plus 1/4 teaspoon chopped fresh thyme leaves
•
ground black pepper
•
1 tablespoon balsamic vinegar