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Perfect Seared Ahi Tuna Recipe with Crispy Sesame Green Beans

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A quick and easy recipe featuring perfectly seared ahi tuna paired with crispy sesame green beans, delivering a restaurant-quality meal in under 20 minutes.

Ingredients

Scale
  • 2 ahi tuna steaks (about 6 ounces / 170 grams each), fresh and sashimi-grade if possible
  • 8 ounces (225 grams) green beans, trimmed
  • 2 tablespoons sesame oil
  • 1 tablespoon toasted sesame seeds (mix of black and white)
  • 2 tablespoons soy sauce or tamari
  • 1 teaspoon fresh ginger, finely grated
  • 2 cloves garlic, minced
  • 1 tablespoon fresh lemon juice
  • Salt and pepper to taste
  • 1 tablespoon neutral oil (e.g., canola or avocado oil)

Instructions

  1. Bring a medium pot of salted water to a boil. Add the trimmed green beans and blanch for 2-3 minutes until bright green and just tender-crisp. Drain and immediately plunge them into a bowl of ice water to stop cooking. Drain again and set aside.
  2. In a small bowl, whisk together the sesame oil, soy sauce, grated ginger, minced garlic, and toasted sesame seeds. Adjust salt if needed. Toss the blanched green beans gently in this sauce, coating evenly. Set aside while you sear the tuna.
  3. Place your skillet over medium-high heat and add the neutral oil, swirling to coat. It should shimmer but not smoke.
  4. Season the tuna steaks with salt and pepper. Carefully place them in the hot pan. Let them sear without moving for about 1.5 to 2 minutes per side for rare to medium-rare. Aim for a nicely browned crust with a pink center. Avoid overcooking.
  5. Transfer tuna to a cutting board and let rest for 2 minutes. Slice thinly against the grain to show off the perfect pink interior.
  6. Quickly toss the green beans in the skillet with the sesame sauce over medium heat just to warm through and crisp up a little more. Keep an eye so they don’t burn.
  7. Arrange the sliced ahi tuna alongside the crispy sesame green beans. Drizzle with fresh lemon juice for brightness. Serve immediately.

Notes

Use sashimi-grade tuna for best results. Avoid overcooking the tuna to keep it tender and juicy. Blanch green beans briefly and shock in ice water to maintain crispness and bright color. Toast sesame seeds fresh for best flavor. Adjust sear time to preference for rare or medium-rare tuna. Substitute tamari for soy sauce to make gluten-free. Can swap green beans with asparagus or snap peas.

Nutrition

Keywords: ahi tuna, seared tuna, sesame green beans, quick dinner, healthy seafood, easy recipe, gluten-free, weeknight meal