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

By AislePrompt Editorial · Published 2026-07-09 · Updated 2026-07-09

Delicately diced sushi-grade tuna mixed with creamy avocado and a tangy soy-lime dressing, served as a refreshing appetizer. This Japanese-inspired seafood recipe, ready in about 15 minutes, layers sushi-grade tuna, ripe avocado, 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 320 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.

Ingredients

• 8 oz, finely diced sushi-grade tuna
• 1 medium, diced ripe avocado
• 2 tbsp soy sauce
• 1 tbsp fresh lime juice
• 1 tsp sesame oil
• 2 tbsp green onions, thinly sliced
• 1 tsp toasted sesame seeds
• 1/2 tsp fresh ginger, grated
• a pinch salt
• a pinch black pepper

The chef’s knife we’d prep this with → Best Chef's Knives for 2026: Top Picks + Buying Guide

Instructions

1. Step 1: In a medium bowl, combine 8 oz finely diced sushi-grade tuna and 1 medium diced ripe avocado gently to avoid mashing the avocado.
2. Step 2: In a small bowl, whisk together 2 tbsp soy sauce, 1 tbsp fresh lime juice, 1 tsp sesame oil, and 1/2 tsp grated fresh ginger until emulsified.
3. Step 3: Pour the dressing over the tuna and avocado mixture. Add 2 tbsp thinly sliced green onions, a pinch of salt, and a pinch of black pepper. Toss gently to coat evenly.
4. Step 4: Plate the tartare in small mounds or using a ring mold, then sprinkle 1 tsp toasted sesame seeds on top before serving chilled.