Sushi-Style Seared Tuna with Wasabi Avocado Miso Dressing

By AislePrompt Editorial · Published 2026-06-19 · Updated 2026-06-19

Lightly seared tuna steaks served with a creamy, mildly spicy miso and wasabi avocado dressing that balances richness and freshness. This Japanese-inspired seafood recipe, 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 320 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. 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
• 1/2 ripe avocado
• 2 tbsp white miso paste
• 1 tsp wasabi paste
• 1 tbsp rice vinegar
• 1 tbsp soy sauce
• 1 tbsp lime juice
• 2 tbsp water
• 1 tbsp, finely chopped green onions

The blender we’d make this in → Best Blenders for 2026: Top Picks + Smoothie Season Buying Guide

Instructions

1. Step 1: Season 2 tuna steaks evenly with 1/2 tsp salt and 1/4 tsp black pepper on both sides.
2. Step 2: Heat 1 tbsp sesame oil in a heavy skillet over high heat until shimmering, then sear the tuna steaks for 45 seconds per side for rare, or longer to desired doneness. Remove and rest.
3. Step 3: In a blender, combine 1/2 ripe avocado, 2 tbsp white miso paste, 1 tsp wasabi paste, 1 tbsp rice vinegar, 1 tbsp soy sauce, 1 tbsp lime juice, and 2 tbsp water. Blend until smooth and creamy.
4. Step 4: Slice the tuna steaks thinly and drizzle with the wasabi avocado miso dressing. Garnish with 1 tbsp finely chopped green onions and serve immediately.