This sheet pan spatchcocked chicken with mushrooms and kale is a delicious and easy one-pan meal. Spatchcocking the chicken ensures even cooking and crispy skin, while the mushrooms and kale add a savory and earthy flavor. The chicken is seasoned with a blend of herbs and spices, and roasted until golden and juicy. The mushrooms and kale are tossed in olive oil and garlic, and roasted until tender. This dish is perfect for a weeknight dinner or a special occasion.