Rosemary Chicken Thighs

Bahan-bahan (4 porsi)

• 3/4 pound Brussels sprouts* (ends trimmed and halved (see note))
• 1 medium yellow onion* (thinly sliced (about 1 1/2 cups))
• 1 medium tart apple* (such as Granny Smith, halved, cored, and cut into 8 wedges*)
• 2 tablespoons extra virgin olive oil (divided)
• 1 tablespoon Dijon mustard
• 1/2 tablespoon honey
• 1 teaspoon kosher salt (divided)
• 1/2 teaspoon ground black pepper (divided)
• 2 1/2 to 3 pounds bone-in skin-on chicken thighs (about 5 thighs)
• 5 sprigs fresh rosemary (plus additional chopped fresh rosemary for serving)