While your grill is preheating you can prep your fish.
Searing tuna steaks on grill.
The big difference between grilling and searing tuna is that you need intense heat for searing.
Cook the peppercorns in the mixture until they soften and pop about 5 minutes.
Lightly season the tuna steak with salt and pepper on each side then carefully place the steak in the hot pan.
Brush the fish with olive oil and sprinkle with salt and pepper.
Prepare it simply with a light brushing of oil and some salt and pepper and preheat the grill until very hot.
Remove the steaks from the grill.
To sear tuna heat 1 2 tbsp of oil in a pan over medium high heat until it starts to shimmer.
Using tongs carefully sear the edges of the steaks so that all outer parts of the steaks are seared.
For seared tuna try getting a super thick cut of tuna about three inches thick.
The steaks should have a rare bright red.
Melt the butter with the olive oil in a skillet over medium high heat.
Watch the steaks closely so that the sesame seeds don t burn.
It s important to dry the fish well on both sides using paper towels minimizing surface moisture helps speed the searing process along and reduces the chances of the tuna sticking to the grill.
Seared grilled tuna.
To grill the tuna get a charcoal or stove top cast iron grill very hot.
Grill each side for only 2 to 2 1 2 minutes.