Pork Chops With Mushroom Gravy

INGREDIENTS

• Kosher salt and freshly ground pepper
• 3/4 cup chopped fresh parsley
• 3 cloves garlic, thinly sliced
• 4 1/2-inch-thick bone-in pork chops (2 to 2 3/4 pounds), fat trimmed
• 1/2 cup low-sodium chicken broth
• 1 bunch scallions, whites sliced, greens cut into 2-inch pieces
• 2 tablespoons low-fat sour cream
• 1 1/2 tablespoons extra-virgin olive oil
• 12 ounces cremini or white mushrooms, thinly sliced
• 2 tablespoons all-purpose flour
• Cornbread, for serving (optional)