Tuna Steaks in a Pouch

One of the challenges in preparing tuna is keeping it moist. Cooking tuna in a pouch ensures it will not dry out and also infuses the tuna with flavor, making it both delicate and fragrant. Do not discard the lemon slices. They are delicious and should be eaten along with the tuna. As in the salmon recipe, using aluminum foil makes it easy to create a well-sealed pouch.