Burger Luther, utawa burger donat (ing sawetara variasi jeneng), yaiku hamburger utawa burger keju kanthi siji utawa luwih donat sing digilap minangka pengganti roti . Burger iki nduweni asal sing disengketakan, lan cenderung mbukak antarane kira-kira 800 and 1,500 CalError in convert: Unit name "Cal" is not known (help) kalori). .