15-Minute Pan-Seared Ahi Tuna gives you a restaurant-grade seared steak with a rare, ruby center in a fraction of the time you'd expect. Cayenne and paprika set a light crust while the peppercorns perfume the butter around it. It's 65.5g of protein per steak and barely a carb in sight.
Craving a lightning-fast, elegant dinner that tastes like it came from a high-end restaurant? This Pan-Seared Ahi Tuna is your answer! In just 15 minutes, you can achieve a perfectly seared, peppercorn-crusted tuna steak that’s tender and ruby-red on the inside. It’s a simple, healthy, and incredibly impressive meal perfect for any night of the week.
Ingredients
• Preparation Time: 5 minutes | Cooking Time: 10 minutes | Servings: 2
• 2 Ahi tuna steaks, 5 oz / 142 g each
• 0.25 tsp / 0.6 g cayenne pepper
• 0.1 tsp / 0.6 g (0.02 oz) kosher salt
• 1 tsp / 2.3 g (0.08 oz) ground paprika
• 0.5 tbsp / 7 g (0.25 oz) butter
• 2 tbsp / 28 g (0.99 oz) olive oil
• 1 tsp / 3 g (0.11 oz) whole peppercorns
Instructions
1. Directions
2. Place the Ahi tuna steaks in a bowl. Evenly sprinkle with cayenne pepper, kosher salt, and ground paprika, coating all sides.
3. Heat a medium skillet over medium heat. Melt the butter, then add the olive oil. Add the whole peppercorns and cook for about 5 minutes, until they soften and become fragrant.
4. Increase the heat to medium-high. Carefully place the seasoned tuna steaks in the hot skillet. Sear for 1-2 minutes per side for a rare to medium-rare center.
5. Immediately remove the tuna from the skillet and serve hot.
Nutritional Information
• Approximate values per serving.
• Calories: 669 kcal
• Carbohydrates: 1.5 g
• Protein: 65.5 g
• Fat: 45.1 g
Pro Tips
• Chef’s
• Pat the Tuna Dry: Use a paper towel to thoroughly dry the surface of the tuna before seasoning. Moisture is the enemy of a good crust.
• Get the Pan Hot: Make sure your pan is sufficiently hot before adding the fish to get a beautiful, quick sear without cooking the center through.
• Don’t Overcook: Ahi tuna is incredibly lean and best enjoyed rare or medium-rare. A minute or two per side is all you need.
• Source Quality Fish: Always use high-quality, sushi-grade or sashimi-grade Ahi tuna since the center will be eaten raw.
FAQ
Q: Do I have to use sushi-grade ahi tuna for this recipe
A: Yes, it is essential to use high-quality, sushi-grade or sashimi-grade Ahi tuna. Since the center is served rare and is not fully cooked, using fish that is safe for raw consumption is crucial for food safety and the best flavor.
Q: How do I know when my ahi tuna is perfectly seared
A: For a rare to medium-rare center, sear the tuna for only 1-2 minutes per side in a very hot pan. The exterior will form a thin, opaque crust, while the inside should remain a vibrant, translucent ruby-red. Avoid cooking it longer, as it can quickly become dry and tough.
Q: What can I serve with pan-seared ahi tuna
A: This dish pairs beautifully with simple sides like steamed jasmine rice, a soba noodle salad, or sautéed vegetables like bok choy or asparagus. A light dipping sauce made from soy sauce, ginger, and wasabi also complements the flavors perfectly.
Q: Why is it important to pat the tuna dry before cooking
A: Patting the tuna steaks completely dry with a paper towel is a critical step. Removing surface moisture allows the tuna to sear properly and develop a beautiful, crisp crust instead of just steaming in the pan.
Pro Tips
- Make sure the pan is properly hot before the tuna goes in. A fierce, quick sear forms the crust without cooking the center through.
- Use high-quality sushi-grade or sashimi-grade ahi tuna, since the center of the steak is meant to be eaten rare.
- Pat the tuna steaks thoroughly dry with a paper towel before seasoning. Surface moisture is the enemy of a good crust.
- Sear just 1-2 minutes per side for a rare to medium-rare center. Ahi is incredibly lean, and even a minute too long turns it dry.
- Give the whole peppercorns their full 5 minutes in the butter and olive oil so they soften and perfume the fat before the tuna is added.
Frequently Asked Questions
How long should I sear ahi tuna?
Only 1-2 minutes per side over medium-high heat. That leaves a rare to medium-rare center, which is how this lean steak is meant to be served.
Does the tuna really need to be sushi-grade?
Yes. The sear is so brief that the center stays essentially raw, so buy sushi-grade or sashimi-grade steaks from a source you trust.
Can I cook the tuna all the way through?
You can, but ahi is very lean and dries out fast beyond medium. The recipe is designed around a quick sear and a rare center.
Is pan-seared ahi tuna keto-friendly?
Absolutely. Each of the two servings has 1.5g of carbs and 65.5g of protein, with fat from the butter and olive oil.
Recipe card below.
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15-Minute Pan-Seared Ahi Tuna
Ingredients
Method
- Directions
- Place the Ahi tuna steaks in a bowl. Evenly sprinkle with cayenne pepper, kosher salt, and ground paprika, coating all sides.
- Heat a medium skillet over medium heat. Melt the butter, then add the olive oil.
- Add the whole peppercorns and cook for about 5 minutes, until they soften and become fragrant.
- Increase the heat to medium-high. Carefully place the seasoned tuna steaks in the hot skillet.
- Sear for 1-2 minutes per side for a rare to medium-rare center.
- Immediately remove the tuna from the skillet and serve hot.
- Pat the Tuna Dry: Use a paper towel to thoroughly dry the surface of the tuna before seasoning. Moisture is the enemy of a good crust.
- Don't Overcook: Ahi tuna is incredibly lean and best enjoyed rare or medium-rare. A minute or two per side is all you need.
