Maple-Glazed Chicken with Caramelized Onions and Pears

Ingredients (10)

• 4 skinless, boneless chicken breasts (1 1/2 to 2 pounds total)
• 1 teaspoon salt, divided, plus more to taste
• 1/2 teaspoon ground black pepper, divided, plus more to taste
• 2 tablespoons olive oil
• 2 tablespoons butter
• 1 large Spanish or yellow onion, halved and thinly sliced
• 2 large ripe firm-fleshed pears (like Bartlett), or 3 smaller pears
• 2 tablespoons maple syrup
• 1 tablespoon Dijon mustard
• 3 tablespoons chopped fresh parsley