Fresh Tuna Sandwich Prep Time: 30 minutes Cook Time: 15 minutes Servings: 2 Ingredients - 1 pound yellowfin tuna steak - cooking oil - 1/2 cup pineapple juice - 1/2 teaspoon dry mustard - 2 cloves garlic , minced - 1 tablespoon brown sugar - 1 teaspoon ground ginger - 3 tablespoons soy sauce - 2 tablespoons sherry - ingredients for toppings, such as tomatoes, lettuce, and onions    The marinated yellowfin tuna provides a unique flavor to this sandwich.   Directions Add all the marinade ingredients together in a glass bowl. Add the tuna to the marinade, making sure it is completely covered.	1

	Marinate the tuna for 15 minutes and then turn it and allow it to marinate for an additional 15 minutes. Coat a baking sheet that has one inch sides with cooking spray or cooking oil and then place the tuna in the pan. Place in an oven preheated to 400°F and cook for 10 minutes per inch of thickness. Turn once during the cooking time. Serve the cooked tuna on a large bun and add any desired toppings, such as mayonnaise, greens, tomato, and onion.	2