01 -
Combine soy sauce, honey, and vinegar and stir in a medium bowl until the honey mixes completely. Add sesame oil, garlic, and ginger—mix until smooth. You can leave it out or chill it for later.
02 -
Set your gas or charcoal grill to the highest temperature to preheat.
03 -
Wash the tuna steaks and pat them until they’re dry with paper towels. Completely coat them in olive oil, then sprinkle on kosher salt and ground black pepper.
04 -
Put the tuna on the hot grill for around 2 minutes per side, just enough for a nice sear outside and a rare interior. If you want it fully done, grill each side for 2 extra minutes.
05 -
Move the cooked tuna to a cutting board. Use a sharp, thin knife to slice it against the grain into pieces about 1/4 to 1/2 inch thick. Sprinkle sesame seeds and green onion slices on top.
06 -
Serve up the sliced tuna and pair it with the sauce you made earlier.