Steps
1. Season the tuna steak with salt and pepper. 2. In a shallow dish, mix soy sauce, sesame oil, and sesame seeds. 3. Coat the tuna steak in the marinade and let it sit for 10 minutes. 4. Heat olive oil in a pan over medium-high heat. 5. Sear the tuna steak for 1-2 minutes on each side for a rare center, or longer if desired. 6. Remove from heat and let it rest for a few minutes. 7. Slice the tuna steak and serve.