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 Hawaiian Tuna Tartare With Fresh Seaweed?

You need 11 ingredients. The key ingredients include: 1/2 cup fresh Japanese red seaweed or finely silvered soaked dried hijiki (sold in Japanese markets and health food stores), 1 pound sashimi-quality tuna, cut in 1/2-inch dice, 1/2 teaspoon hot red-pepper flakes, 1 scallion, finely chopped, and more.

Is Hawaiian Tuna Tartare With Fresh Seaweed suitable as seafood?

Yes, Hawaiian Tuna Tartare With Fresh Seaweed falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Hawaiian Tuna Tartare With Fresh Seaweed?

Keep refrigerated in an airtight container and enjoy within 1–2 days for the best freshness. Best served cold — no reheating needed.

Hawaiian Tuna Tartare With Fresh Seaweed Recipe

Name: Hawaiian Tuna Tartare With Fresh Seaweed
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/2 cup fresh Japanese red seaweed or finely silvered soaked dried hijiki (sold in Japanese markets and health food stores); 1 pound sashimi-quality tuna, cut in 1/2-inch dice; 1/2 teaspoon hot red-pepper flakes; 1 scallion, finely chopped; 1 teaspoon minced fresh ginger; 1/2 teaspoon minced fresh garlic; 1 teaspoon Asian sesame oil; 1 tablespoon chopped salted peanuts; 1/2 tablespoon chopped fresh mint leaves; 1 tablespoon fresh lime juice; 6 leaves romaine lettuce, rinsed and dried

Try this homemade Hawaiian Tuna Tartare With Fresh Seaweed recipe the whole family will love. Made with fresh Japanese red, sashimi, hot red-pepper and …

This Hawaiian Tuna Tartare With Fresh Seaweed relies on simple, everyday ingredients such as hot red-pepper flakes, scallion, finely chopped, minced fresh ginger and minced fresh garlic. It comes together quickly and makes 4 servings, at about 190 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

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Hawaiian Tuna Tartare With Fresh Seaweed

Tips for the best results

Variations & substitutions

My Personal Notes

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