Asian Sesame Seared or Grilled Tuna Gluten Free!


  • 1/4 cup tamari (gluten-free soy sauce)
  • 1/4 cup sesame oil
  • 2 tablespoons mirin (Japanese sweet wine)
  • 2 tablespoons honey
  • 2 tablespoons rice wine vinegar
  • 2 tablespoons grated fresh ginger
  • 2 green onions, thinly sliced, divided
  • 2 cloves garlic, minced, or more to taste
  • 4 (6 ounce) tuna steaks
  • 2 tablespoons sesame seeds, or to taste
  • 1 tablespoon olive oil


Whisk tamari, sesame oil, mirin, honey, vinegar, ginger, green onions, and garlic together in a bowl until marinade is evenly mixed. Place tuna steaks in the marinade and refrigerate for at least 1 hour.

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Spread sesame seeds onto a plate. Remove tuna from marinade and discard marinade. Press tuna into sesame seeds until evenly coated.

Heat olive oil in a cast iron skillet over high heat until very hot; cook tuna in the hot oil until cooked to desired doneness, 30 seconds to 5 minutes per side.