Achieve restaurant-quality tuna steaks at home with this recipe that takes you step-by-step through the surprisingly easy process.
Tuna has been my go-to seafood choice all my life. I love a tuna fish salad sandwich, and my mom used to make a mouthwatering tuna-noodle casserole. But I only ever had the canned kind until a few years ago.
I was at a Japanese restaurant with some work colleagues, and someone ordered ahi tuna bites as an appetizer for the table to share. As the plate worked its way toward me, I felt a mix of emotions—trepidation, excitement, curiosity. Then it arrived in my hand. Little pink squares sat atop crispy chips of fried wontons, wearing a drizzle of dark brown sauce and a sprinkle of black and white seeds. I took one and passed the plate. Everyone seemed to be looking at me, so I quickly popped the appetizer into my mouth before I could chicken out. It tasted nothing like the tuna I was used to—it was mild, salty, and almost sweet! The texture was really surprising, meaty but tender, almost silky. And the combination of a warm exterior and cool center was simply delightful.
When I came across this seared tuna steak recipe, the memory of that dinner surfaced. I was really surprised by the simplicity of the directions and the short cooking time. I had been sure that a dish as complex and flavorful as that appetizer would have to be complicated and time-consuming. I made it for my boyfriend, and he was truly impressed. If you’ve never had tuna outside of a can, you’re in for an amazing treat with this recipe!
Tips for perfectly seared tuna steaks
Start with high-quality, sushi-grade ahi tuna—look for steaks that are vibrant, deep red, and free from any strong odor or discoloration. Keep the tuna well-chilled until moments before cooking. A cold steak is firmer and easier to handle, helping the raw center retain its delicate, sashimi-like texture after searing. For a flavor boost, marinate the fish for at least 10–20 minutes in the sauce, allowing the aromatics to penetrate the surface without compromising the tuna’s freshness. Just before cooking, pat the steak dry and coat it generously with toasted sesame seeds—toast them in a dry skillet until golden and fragrant to amplify their nutty crunch and make the crust stick better.
For the searing, use a hot skillet and a thin layer of oil. Work quickly—aim for about 20 seconds per side—because searing each edge for mere seconds locks in flavor while maintaining a rare, cool center. Avoid crowding the pan or overcooking, since even a few extra seconds can make the tuna tough or dry. Let the steak rest briefly before slicing it against the grain with a sharp knife to achieve clean, even slices. Serve immediately—either drizzled with extra sauce or alongside fresh herbs, wasabi, or a citrusy salad.
How do I store leftovers?
Do not leave tuna steaks at room temp for longer than 2 hours. Store leftovers in an airtight container in the fridge for no more than 24 hours. This short timeframe ensures the best flavor and texture. You can enjoy it cold or let it sit at room temp for 20-30 minutes. I do not recommend trying to reheat your seared tuna, as it’ll quickly become dry and chewy from overcooking. Freezing seared tuna is possible, but it can make the inside of the fish mushy or watery after defrosting, which is quite unappealing. Never refreeze thawed tuna.
Similar recipes to try
Looking for more dishes that feature tuna? Try this easy Keto Tuna Melt Recipe or this creative recipe for Jalapeño Popper Tuna Fish Salad. Want other ways to bring fresh seafood to the table? Check out this delightful Crab Stuffed Avocado Salad Recipe, this Quick And Easy Keto Baked Salmon With Fresh Herbs, or this Delicious Fried Calamari Recipe.
Seared Tuna Steak Recipe
Ingredients
- 1 large ahi tuna steak chilled
- 2 tablespoons black and white sesame seeds toasted
- 2 tablespoons olive oil
- 1/2 teaspoon ginger grated
- 2 tablespoons soy sauce
- 1/2 cup fresh lime juice
- 1 clove garlic thinly sliced
- Salt and pepper to taste
- Cilantro or other fresh herbs optional, for garnish
- Lime wedges optional, for garnish
Instructions
- Pat dry the ahi tuna steak. Roll it in the toasted sesame seeds, pressing lightly so that the tuna is evenly coated on all sides.
- Heat the olive oil in a pan over high heat. Once the pan is very hot, sear the tuna for 20 seconds on each side, then set aside on a plate.
- In a small bowl, combine the ginger, soy sauce, lime juice, and sliced garlic. Season with salt and pepper.
- Thinly slice the tuna against its grain. Drizzle the dressing over the tuna and garnish with herbs of your choice.
- Serve immediately with lime wedges if desired.
Sounds good
Thanks Rhoda!