Pork Chops with Roasted Apples and Onions

INGREDIENTS

• 2 1/2 teaspoons canola oil, divided
• 1 1/2 cups frozen pearl onions, thawed
• 2 cups Gala apple wedges
• 1 tablespoon butter, divided
• 2 teaspoons fresh thyme leaves
• 1/2 teaspoon kosher salt, divided
• 1/2 teaspoon freshly ground black pepper, divided
• 4 (6-ounce) bone-in center-cut pork loin chops (about 1/2 inch thick)
• 1/2 cup fat-free, lower-sodium chicken broth
• 1/2 teaspoon all-purpose flour
• 1 teaspoon cider vinegar