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Easy 20-Minute Spicy Ahi Tuna Tartare

Close-up of two perfectly molded portions of vibrant red tuna tartare, topped with sliced avocado and green onions.

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You can create this restaurant-style spicy ahi tuna tartare at home in under 20 minutes. This no-cook recipe uses sushi-grade tuna and a bright, Asian-inspired marinade, perfect for an elegant party appetizer or light meal.

Ingredients

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  • 1 lb sushi-grade ahi tuna, finely diced
  • 2 tablespoons soy sauce or tamari
  • 1 tablespoon sesame oil
  • 1 tablespoon rice vinegar
  • 1 teaspoon sriracha (adjust for spice level)
  • 1 teaspoon fresh ginger, grated
  • 1 green onion, thinly sliced
  • 1/2 avocado, diced (for serving)
  • Crispy wonton chips or spoons (for serving)

Instructions

  1. Prepare the tuna: Ensure your sushi-grade ahi tuna is very cold. Use a sharp knife to finely dice the tuna into small, uniform pieces. Place the diced tuna in a non-reactive bowl.
  2. Make the marinade: In a small bowl, whisk together the soy sauce, sesame oil, rice vinegar, sriracha, and grated ginger.
  3. Combine: Pour the marinade over the diced tuna. Add the sliced green onion. Gently fold the ingredients together until the tuna is evenly coated. Do not overmix.
  4. Chill: Cover the bowl and refrigerate for 5 to 10 minutes to allow the flavors to meld. This is a quick gourmet appetizer, so do not marinate for too long to keep the texture fresh.
  5. Serve: Use a ring mold to plate the tuna tartare neatly, or serve immediately in small bowls. Top with diced avocado and serve alongside crispy wonton chips or spoons for scooping.

Notes

  • Use only the freshest, highest quality sushi-grade tuna available for this raw fish appetizer.
  • For a creamy element, blend the avocado with a splash of lime juice and a pinch of salt to create a simple avocado cream drizzle.
  • If you want a tuna napoleon stack, layer the tartare mixture with thin slices of cucumber or avocado using a ring mold.

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