How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Ahi Tuna Steak Sandwich?

You need 8 ingredients. The key ingredients include: 1/4 teaspoon prepared wasabi or 2 teaspoons prepared horseradish, or to taste, 2 tablespoons low-fat mayonnaise (no more than 2 g fat per tablespoon; I used Best Foods/Hellmanns), 1/2 teaspoon extra virgin olive oil, 2 (4-ounce) sashimi-or sushi-grade ahi tuna fillets, and more.

Is Ahi Tuna Steak Sandwich suitable as seafood?

Yes, Ahi Tuna Steak Sandwich falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Ahi Tuna Steak Sandwich?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Ahi Tuna Steak Sandwich Recipe

Name: Ahi Tuna Steak Sandwich
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/4 teaspoon prepared wasabi or 2 teaspoons prepared horseradish, or to taste; 2 tablespoons low-fat mayonnaise (no more than 2 g fat per tablespoon; I used Best Foods/Hellmanns); 1/2 teaspoon extra virgin olive oil; 2 (4-ounce) sashimi-or sushi-grade ahi tuna fillets; Sea salt and freshly ground black pepper, to taste; 2 (about 3 1/2-inch-diameter) whole-wheat or whole-grain hamburger buns; 6 thin plum tomato slices, or 2 to 4 larger slices; 1 small leaf green lettuce, cut in half, or more to taste

Try this homemade Ahi Tuna Steak Sandwich recipe the whole family will love. Made with wasabi, low-fat mayonnaise, extra virgin olive oil and tuna. Easy…

This Ahi Tuna Steak Sandwich relies on simple, everyday ingredients such as extra virgin olive oil. It comes together quickly and makes 4 servings, at about 225 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Servings: persons

1/4 teaspoon prepared wasabi or 2 teaspoons prepared horseradish, or to taste
2 tablespoons low-fat mayonnaise (no more than 2 g fat per tablespoon; I used Best Foods/Hellmanns)
1/2 teaspoon extra virgin olive oil
2 (4-ounce) sashimi-or sushi-grade ahi tuna fillets
Sea salt and freshly ground black pepper, to taste
2 (about 3 1/2-inch-diameter) whole-wheat or whole-grain hamburger buns
6 thin plum tomato slices, or 2 to 4 larger slices
1 small leaf green lettuce, cut in half, or more to taste

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Quick Info

Servings
4 servings
Calories
225 kcal
Category
Seafood

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