Seared Petite Lamb Chops with Rosemary Balsamic Reduction

Name: Seared Petite Lamb Chops with Rosemary Balsamic Reduction
Ingredients: 2 tablespoons finely chopped parsley leaves; 1 tablespoon finely chopped rosemary leaves; 1 teaspoon minced garlic; Kosher salt; 6 (4-ounce) double lamb rib chops (2 ribs) with bones attached, ribs frenched; 2 teaspoons freshly ground black pepper; 1 tablespoon olive oil; 2 tablespoons minced shallots; 1 cup balsamic vinegar; 1 large or 2 small rosemary sprigs; 2 tablespoons butter; 3 tablespoons extra-virgin olive oil