Mediterranean-Fusion Tuna Tartare with Avocado and Sesame Soy Dressing

By AislePrompt Editorial · Published 2026-07-05 · Updated 2026-07-05

A vibrant tuna tartare blending fresh Mediterranean flavors with Asian-inspired sesame soy dressing and creamy avocado. This Mediterranean-inspired seafood recipe (gluten free), ready in about 15 minutes, layers sushi-grade tuna, ripe avocado, cucumber 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, diced into 1/4-inch cubes sushi-grade tuna
• 1 medium, diced into 1/2-inch cubes ripe avocado
• 1/2 cup, finely diced cucumber
• 2 tbsp, thinly sliced scallions
• 2 tbsp soy sauce
• 1 tbsp toasted sesame oil
• 1 tbsp fresh lemon juice
• 1 tsp grated fresh ginger
• 1 tsp, toasted sesame seeds
• 1 tbsp extra virgin olive oil
• a small handful for garnish microgreens
• to taste sea salt
• to taste 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 diced sushi-grade tuna, 1/2 cup finely diced cucumber, and 2 tbsp thinly sliced scallions.
2. Step 2: In a small bowl, whisk together 2 tbsp soy sauce, 1 tbsp toasted sesame oil, 1 tbsp fresh lemon juice, and 1 tsp grated fresh ginger until emulsified.
3. Step 3: Pour the dressing over the tuna mixture and gently toss to coat, seasoning with sea salt and black pepper to taste.
4. Step 4: Fold in 1 medium diced avocado carefully to avoid mashing and drizzle 1 tbsp extra virgin olive oil over the top.
5. Step 5: Serve the tartare in chilled small bowls or rings, garnished with 1 tsp toasted sesame seeds and a small handful of microgreens for freshness.