Tuna, salt, pepper, soy sauce, sesame oil, garlic, ginger, sugar, sesame seeds.
Mix together the soy sauce, sesame oil, brown sugar, minced garlic, and ginger.
Rinse and pat dry tuna steaks. Season with salt & pepper on both sides.
Heat skillet on high and sear tuna steaks for two minutes on each side.
During the last minute of cooking, pour half the sauce on top of the steaks.
Thinly slice the steak, plate, and pour half of the remaining sauce on top.
Finish the tuna steaks by sprinkling with both black & white sesame seeds.