Roasted Spatchcocked Chicken with Potatoes

Details

Ingredients

• 1 serving cooking spray
• 2 sweet potatoes, sliced very thinly
• 2 Yukon Gold potatoes, sliced
• 1 large onion, sliced
• 1 (2 to 3 pound) roasting chicken
• 2 tablespoons olive oil, or to taste
• 1 pinch salt and ground black pepper to taste