04Coat a large saute pan with peanut oil and bring it to a VERY high heat. When the pan is VERY hot but not quite smoking, pull the pan off the heat and add the tuna to the pan. Return the pan to the heat and sear the tuna for 1 minute on each side.05Remove the tuna from the pan, let rest for 4 to 5 minutes and slice into 1/4 to 1/2-inch thick slices. Sprinkle with the dark green sliced scallion tops.06Serve immediately with a little extra soy on the side if desired.