Grilled Tuna Teriyaki
["2 Tbsp. soy sauce", "1 Tbsp. dry sherry, rice wine or rice vinegar", "1 large clove garlic, minced", "1 tsp. ground ginger", "4 tuna steaks (3/4 inch thick)", "1 Tbsp. vegetable oil"]
["In a shallow dish large enough to hold the tuna, combine soy sauce, sherry, garlic and ginger.", "Place tuna in marinade and turn to coat it; cover and refrigerate for at least 30 minutes."]
["soy sauce", "sherry", "clove garlic", "ground ginger", "tuna", "vegetable oil"]