Grilled Tuna Sandwiches

Try this California-style sandwich for your next backyard cookout. The ginger marinated tuna steaks served on sourdough bread with ginger-soy mayonnaise and mashed avocado are sure to win accolades.

Grilled Tuna Sandwiches
Servings: 4 Prep 10 mins Chill 30 mins Grill 6 mins


Soy Marinade:
  • 2 tablespoons plus 1 teaspoon reduced-sodium soy sauce
  • 1 tablespoon dark sesame oil
  • 1 tablespoon fresh lemon juice
  • 4 teaspoons chopped fresh ginger
  • 4 tuna steaks (each about 4 ounces)
  • 2 tablespoons mayonnaise
  • 8 slices sourdough bread
  • 4 leaves red-leaf lettuce
  • 1 avocado, peeled, pitted, lightly mashed

Make It

Soy marinade:

1. Whisk 2 tablespoons of the soy sauce, sesame oil, lemon juice and 3 teaspoons of the ginger in bowl.


2. Place tuna in a large resealable plastic bag; add marinade. Refrigerate 30 minutes, turning once. Mix mayonnaise, remaining 1 teaspoon each ginger and soy sauce in bowl. Refrigerate alongside tuna.

3. Prepare grill with medium-hot coals or heat gas grill to medium-high; coat rack with cooking spray.

4. Remove tuna from marinade; pat dry with paper towels. Grill 3 minutes per side for medium. Transfer to platter; tent with foil. Top bread with lettuce, then mashed avocado, tuna and flavored mayonnaise.

Nutrition Facts

Servings Per Recipe: 4; Amount Per Serving: cal. (kcal): 424, Fat, total (g): 19, chol. (mg): 58, sat. fat (g): 3, carb. (g): 31, fiber (g): 4, pro. (g): 31, sodium (mg): 742, Percent Daily Values are based on a 2,000 calorie diet.