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Slices of seared ahi tuna on a plate with crispy rice, sliced avocado, spicy mayo, cilantro, and a dish of sauce for dipping.

Seared Ahi Tuna Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 5 reviews
  • Author: Erin Jensen
  • Prep Time: 5 minutes
  • Cook Time: 2 minutes
  • Total Time: 7 minutes
  • Yield: 2 servings 1x
  • Category: Dinner/Entree
  • Method: Stove Top
  • Cuisine: American

Description

Our 4 ingredient Seared Ahi Tuna is cooked in under 5 minutes for a super simple & delicious weeknight dinner!


Ingredients

Scale

Seared Ahi Tuna:

  • 2 (1 inch) raw tuna steaks, thawed
  • kosher salt & ground black pepper
  • 2 teaspoons white sesame seeds
  • 1 tablespoon extra virgin olive oil or avocado oil

Serving Suggestions:

  • crispy rice
  • avocado, sliced
  • fresh cilantro, chopped
  • spicy mayo
  • soy sauce
  • dipping sauce (see notes for ingredients/instructions)

Instructions

  1. Prep Tuna Steaks: Pat tuna steaks dry with a clean paper towel. Sprinkle each side with kosher salt & ground black pepper. Add a 1/2 teaspoon of sesame seeds per side (use more or less, if you want). Pat the seasoning & sesame seeds into each side to make sure they stick.
  2. Hot Skillet: Bring a large cast iron skillet to a medium-high heat and add oil. Swirl to coat the pan. Ensure skillet is nice and hot (I like to flick a little water on it to see if it sizzles) and then place the tuna steaks in the skillet.
  3. Sear Tuna Steaks: Sear for 45 seconds – 1 minute per side – this will create a nice crust on the outside.
  4. Rest: Remove and let rest on clean plate for 5 minutes.
  5. Serve: Slice against the grain & serve immediately.

Notes

  • Paleo/Whole30: serve with coconut aminos. 
  • Gluten-Free: serve with tamari sauce.
  • Optional Marinade: To add even more flavor to your ahi tuna, mix together 1/4 cup soy sauce, 1 teaspoon rice vinegar, 1/2 teaspoon minced garlic, 1/2 teaspoon lime juice, 1/4 teaspoon sesame oil, 1/4 teaspoon grated ginger, & 1/4 teaspoon sriracha (optional) and let the tuna steaks marinate for 15-30 minutes.
  • Grilled Ahi Tuna: The charring from the grill grates will give your tuna steaks a really great flavor. Simply preheat the grill to a high heat & clean the grill grates. Spray with non-stick cooking spray and sear the tuna steaks on the grill for 1 minute per side.
  • Blackstone Ahi Tuna: Follow the instructions above, but heat the flattop griddle instead of a cast iron skillet. So easy!
  • Dipping Sauce: Mix 1/2 cup water, 1/2 cup soy sauce, 2 teaspoons minced garlic, 2 teaspoons honey, 1 teaspoon sesame oil, 1/2 teaspoon grated ginger, & 1/4 teaspoon sriracha (optional) in a saucepan. Bring to a simmer and mix 1 tablespoon cornstarch & 2 tablespoons cold water in a separate bowl. Whisk in to the sauce to thicken. Let cool before serving.
  • Storage: it is best to enjoy this dish immediately – if you have leftovers, store in an airtight container in the refrigerator and eat within 24 hours. 
  • eat undercooked or raw foods at your own risk (see full blog post above for discussion about sushi-grade tuna, etc)

Nutrition

  • Serving Size: 1/2 piece tuna
  • Calories: 83
  • Sugar: 0 g
  • Sodium: 315.7 mg
  • Fat: 7.8 g
  • Carbohydrates: 0.7 g
  • Protein: 3.3 g
  • Cholesterol: 4.7 mg