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A flavorful marinade that infuses fresh tuna steaks with vibrant, savory, and slightly sweet notes, protecting the fish from drying out and ensuring a moist, tender steak with a beautiful seared crust.

Ingredients

Scale
  • 4 (6-8 ounce) fresh tuna steaks, about 1-inch thick
  • 2 tablespoons soy sauce
  • 1 tablespoon toasted sesame oil
  • 1 tablespoon fresh ginger, grated
  • 2 cloves garlic, minced
  • 1 tablespoon honey or maple syrup
  • 1 tablespoon rice vinegar
  • 1/2 teaspoon red pepper flakes (optional)
  • 2 tablespoons olive oil or avocado oil for searing
  • Salt, to taste
  • Freshly ground black pepper, to taste
  • Toasted sesame seeds (optional)
  • Fresh cilantro or green onions, chopped (optional)
  • Lime wedges (optional)

Instructions

  1. Whisk soy sauce, toasted sesame oil, grated ginger, minced garlic, honey or maple syrup, rice vinegar, and red pepper flakes in a non-reactive bowl or resealable bag until smooth.
  2. Add tuna steaks, turn to coat, seal and refrigerate 20–30 minutes.
  3. Remove tuna from the marinade, discard the marinade, and pat steaks very dry with paper towels.
  4. Lightly season both sides of the tuna with salt and freshly ground black pepper.
  5. Heat a heavy skillet or cast-iron pan on high for 3–5 minutes until smoking hot.
  6. Add 2 tablespoons olive or avocado oil and swirl to coat the pan.
  7. Place tuna steaks in the hot pan without crowding and sear undisturbed: 1–1½ minutes per side for rare, 1½–2 minutes per side for medium-rare, or 2–2½ minutes per side for medium.
  8. If steaks are thick, sear the edges 30–60 seconds.
  9. Remove steaks and let rest uncovered on a cutting board 3–5 minutes.
  10. Slice tuna against the grain into 1/2-inch slices.

Notes

Pat tuna completely dry before searing to prevent steaming and ensure a good crust., Use oils with high smoke points such as avocado, grapeseed, or refined olive oil for searing., Keep marinating time short (20–30 minutes) to add flavor without cooking the fish., Optionally press sesame seeds or cracked black pepper onto the tuna before searing for extra crunch., Do not overcrowd the pan to maintain temperature and keep crusts crisp., Grilling is an alternative cooking method: cook over very high heat 1–2 minutes per side for rare to medium-rare, brushing oil on grill grates and fish to prevent sticking., Add sriracha or gochujang to the marinade for spice., Replace rice vinegar with fresh lime or lemon juice for a citrus-forward marinade., Try herb crusts by mixing chopped herbs with panko crumbs on tuna before searing., This marinade also works with other thick fish steaks, adjusting searing times accordingly., Store unused marinade refrigerated up to 5–7 days., Use raw tuna within 1–2 days and do not marinate longer than 30 minutes., Leftover cooked tuna keeps refrigerated 3–4 days; reheat gently or enjoy cold., Freeze raw tuna vacuum sealed up to 2–3 months; cooked tuna freezes well for about a month., Do not reuse marinade that contacted raw fish without boiling it 1–2 minutes for safety., Consuming rare tuna is generally safe with sushi-grade fresh tuna for healthy adults but not recommended for vulnerable groups.

Nutrition

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