Marinate them for 10 minutes in soy sauce, while turning now and then to expose all sides to the sauce
Meanwhile toast the sesame seeds in a skillet, without adding oil. Make them two shades darker. When they start to pop, pay attention to temper the heat somewhat while moving the seeds around
Dip the steaks dry on kitchen paper
Apply salt and pepper and coat the steaks with olive oil using a brush
Pan-searing the steaks
Let the prepared tuna steaks come to room temperature
Make a heavy bottomed skillet hot on the stove. You may also use a grill pan if you so prefer
Add the steaks and fry each side for 45 seconds
Be resolute and take the steaks out immediately after frying and serve
The steaks are wonderful without sauce, but If you so prefer, you can serve with a soy sauce spiked with mustard or wasabi, or serve with a bearnaise sauce
Notes
Method: pan fryingFood allergy & intolerance information: soy (can leave out), fish