Sushi-Style Tuna Tartare with Avocado and Ponzu Dressing

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

A refreshing and elegant sushi-inspired appetizer featuring finely diced fresh tuna, creamy avocado, and a tangy ponzu soy dressing. This Japanese-inspired sushi recipe (gluten free, low carb), ready in about 15 minutes, layers sushi-grade tuna, ripe avocado, scallions 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 210 calories and feeds 4, 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 ripe avocado
• 2 thinly sliced scallions
• 2 tbsp soy sauce
• 1 tbsp ponzu sauce
• 1 tsp toasted sesame oil
• 1 tbsp fresh lime juice
• 1 tsp toasted sesame seeds
• for garnish pickled ginger
• for garnish microgreens

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, 2 tbsp soy sauce, 1 tbsp ponzu sauce, 1 tsp toasted sesame oil, and 1 tbsp fresh lime juice. Gently toss to coat the tuna evenly.
2. Step 2: Carefully fold in 1 diced ripe avocado and 2 thinly sliced scallions, mixing just until combined without mashing the avocado.
3. Step 3: Using a ring mold or spoon, plate the tartare into neat rounds on chilled serving plates.
4. Step 4: Sprinkle 1 tsp toasted sesame seeds over the top, then garnish each serving with pickled ginger slices and a small handful of microgreens for freshness and color.
5. Step 5: Serve immediately as a light appetizer or starter.