L'Aller Retour Marais is a small French restaurant in the Marais district of Paris that serves steak and wine. It grills veal ribeye, filet mignon, and Angus steak, and also serves bone marrow, Burgundy snails, and french fries. Reservations are recommended between 7 and 8 in the evening, and the staff speak English. The interior is small and there is no air conditioning, so it is hot even in summer.