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Tender ahi tuna seared to perfection in an air fryer with a flavorful soy, sesame, ginger, and garlic marinade, cooked to your preferred doneness with a caramelized crust and a tender pink center.

  • Total Time: 20-35 minutes
  • Yield: 2 servings 1x

Ingredients

Scale
  • 2 ahi tuna steaks (yellowfin or bigeye), 6–8 ounces each, about 1 to 1.5 inches thick
  • 3 tablespoons soy sauce or tamari
  • 1 tablespoon toasted sesame oil
  • 1 tablespoon rice vinegar or fresh lime juice
  • 1 teaspoon honey or maple syrup
  • 1 teaspoon grated fresh ginger
  • 1 garlic clove, minced
  • Pinch of crushed red pepper flakes or sriracha to taste
  • Black pepper, to taste
  • Kosher salt, to taste
  • Neutral oil (avocado or canola) for brushing the air fryer basket
  • Sesame seeds, for garnish
  • Green onions, thinly sliced, for garnish
  • Lime wedges, to serve

Instructions

  1. Pat tuna steaks dry with paper towels.
  2. In a bowl, whisk together soy sauce, toasted sesame oil, rice vinegar, honey, grated ginger, minced garlic, and crushed red pepper flakes.
  3. Place the tuna steaks in the marinade and turn to coat evenly. Let sit at room temperature for 10–20 minutes (do not exceed 30 minutes).
  4. Preheat the air fryer to 400°F (205°C) for about 3–5 minutes.
  5. Lightly brush or spray the air fryer basket with a neutral high-heat oil such as avocado or canola oil.
  6. Remove tuna steaks from marinade, shaking off excess, and reserve about 1 tablespoon of the marinade for finishing. If using reserved marinade, bring it to a boil for 1–2 minutes before applying to cooked tuna.
  7. Arrange the tuna steaks in a single layer in the air fryer basket without crowding.
  8. Air-fry at 400°F: cook for 3–4 minutes for rare, 4–5 minutes for medium-rare, or 5–6 minutes for medium doneness. Flip halfway through if your air fryer cooks unevenly.
  9. Transfer tuna to a cutting board and rest for 2 minutes.
  10. Lightly brush the tuna with the reserved marinade or squeeze fresh lime juice over the top.
  11. Slice steaks against the grain into ½-inch-thick pieces.
  12. Sprinkle sesame seeds and thinly sliced green onions over the sliced tuna.
  13. Serve immediately with lime wedges.

Notes

Do not over-marinate; keeping marination under 30 minutes prevents the acid from making the fish texture mushy., Patting the tuna dry before marinating helps achieve a better caramelized sear., Avoid crowding the air fryer basket to ensure even cooking and crust formation; cook in batches if necessary., Flipping the tuna is optional depending on your air fryer’s heat distribution; flip at 3 minutes for crisper crust., Use sushi- or sashimi-grade tuna with firm, deep red flesh and no fishy odor for best flavor and texture., Leftover cooked tuna can be stored in an airtight container in the fridge for up to 2 days; enjoy cold or at room temperature without reheating to maintain texture., The marinade that touched raw fish must be boiled before using as a finishing glaze to ensure safety., Variations include adding cracked black pepper crust, garlic-chili spices like gochujang, citrus zest, miso-honey glaze, or finishing with ponzu and fresh herbs for additional flavor twists.

  • Author: Laura
  • Prep Time: 10 minutes
  • Cook Time: 3-6 minutes
  • Category: Main Course
  • Cuisine: Fusion

Nutrition

  • Serving Size: 1 tuna steak
  • Calories: Approx. 220 calories per serving
  • Fat: Approx. 6g per serving
  • Carbohydrates: Approx. 4g per serving
  • Protein: Approx. 35g per serving