This butter chicken and sweet potato tray bake is a flavorful and easy one-pan meal. The tender chicken is marinated in a rich and creamy butter chicken sauce, then roasted with sweet potatoes and onions. The combination of spices and flavors creates a delicious and satisfying dish. Serve it with rice or naan bread for a complete meal. This tray bake is perfect for busy weeknights or when you want a fuss-free dinner option.