Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   4                    fresh boneless tuna steaks -- 6-8 oz. each
                        salt and freshly ground black pepper
     1/4  cup           sherry vinaigrette -- recipe to follow

Preparation:

Rinse the steaks and pat them dry. Place them in a glass pan, season with salt and pepper and pour vinaigrette over them. Cover with plastic wrap and marinate for 30 minutes to 1 hour. Preheat the grill. Grill the steak for 2-3 minutes per side for rare, 5 minutes. per side for well done. Source The Grilling Season by Diane Mott Davidson