In a mixing bowl, whisk together the soy sauce, olive oil, lemon juice, honey, minced garlic, grated ginger, black pepper, and sesame oil until well combined.

Taste the marinade and adjust seasoning if necessary.

Place the tuna steaks in a shallow dish or a resealable plastic bag.

Pour the marinade over the tuna, ensuring all surfaces are coated.

Cover the dish with plastic wrap or seal the bag and refrigerate for at least 20 minutes, up to 2 hours for more flavor.