Sushi-Style Seared Tuna with Avocado and Wasabi Aioli

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

Tender seared tuna steaks served atop creamy avocado slices with a spicy wasabi aioli, inspired by signature sushi fusion dishes. This Japanese-inspired sushi recipe (gluten free), ready in about 15 minutes, pairs tuna steaks, sesame oil, salt for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with rice, quinoa, or a quick salad. 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

• 2 (6 oz each) tuna steaks
• 1 tbsp sesame oil
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1, peeled and thinly sliced ripe avocado
• 3 tbsp mayonnaise
• 1 tsp wasabi paste
• 1 tbsp lime juice
• 2 tbsp soy sauce
• 1 tsp toasted sesame seeds
• 1 tbsp finely chopped green onions

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Instructions

1. Step 1: Pat dry 2 tuna steaks (6 oz each). Season both sides with 1/2 tsp salt and 1/4 tsp black pepper. Heat 1 tbsp sesame oil in a skillet over high heat until shimmering.
2. Step 2: Sear tuna steaks for 1.5 minutes per side for medium-rare, until the edges are browned but the center remains pink. Remove from heat and let rest for 5 minutes.
3. Step 3: In a small bowl, whisk together 3 tbsp mayonnaise, 1 tsp wasabi paste, and 1 tbsp lime juice until smooth and creamy.
4. Step 4: Plate the tuna steaks on a bed of 1 thinly sliced ripe avocado. Drizzle 2 tbsp soy sauce over the tuna, then spoon 1-2 tbsp of wasabi aioli around the plate. Garnish with 1 tsp toasted sesame seeds and 1 tbsp finely chopped green onions before serving.