Sushi-Inspired Tuna Tartare with Avocado and Soy-Lime Dressing

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Fresh diced tuna combined with creamy avocado and a zesty soy-lime dressing for a refreshing appetizer with sushi flavors. This japanese-inspired seafood (gluten free) ready in about 10 minutes layers sushi-grade tuna, diced 1/4-inch, medium ripe avocado, diced, soy sauce into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 250 calories and feeds 2, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Serves 2 Japanese cuisine 250 cal/serving
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Ingredients

Instructions

  1. Step 1: In a medium bowl, combine 8 oz diced sushi-grade tuna with 2 tbsp soy sauce, 1 tbsp fresh lime juice, 1 tsp sesame oil, and 1/4 tsp salt. Gently toss to coat and marinate for 5 minutes.
  2. Step 2: Add 1 diced medium ripe avocado, 2 tbsp finely sliced green onion, 1 tbsp chopped fresh cilantro leaves, and 1/4 tsp red chili flakes to the marinated tuna. Gently fold together to combine without mashing the avocado.
  3. Step 3: Transfer the tuna tartare mixture to a serving dish and sprinkle 1 tsp toasted sesame seeds evenly on top for texture and nuttiness.
  4. Step 4: Serve immediately as an appetizer with crisp crackers or thinly sliced cucumber rounds.

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Frequently asked questions

How long does Sushi-Inspired Tuna Tartare with Avocado and Soy-Lime Dressing take to make?

Total time is about 10 minutes (10 min prep + 0 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.

How do I store leftover Sushi-Inspired Tuna Tartare with Avocado and Soy-Lime Dressing?

Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.

Can I substitute ingredients in Sushi-Inspired Tuna Tartare with Avocado and Soy-Lime Dressing?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Sushi-Inspired Tuna Tartare with Avocado and Soy-Lime Dressing for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Sushi-Inspired Tuna Tartare with Avocado and Soy-Lime Dressing gluten free?

Yes — this recipe is tagged gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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