how do you cook a tuna steak
Searing tuna steaks in a hot skillet caramelizes the surfaces of the fish and locks in the moisture. Start with 3/4-inch-thick steaks. 1  Choose a heavy skillet that best fits the number of tuna steaks you are cooking. 2  Add 1 to 3 teaspoons cooking oil or olive oil to lightly coat the skillet.3  Heat the skillet over medium-high heat until hot. 4  Add the tuna steaks.tart with 3/4-inch-thick steaks. 1  Choose a heavy skillet that best fits the number of tuna steaks you are cooking. 2  Add 1 to 3 teaspoons cooking oil or olive oil to lightly coat the skillet. 3  Heat the skillet over medium-high heat until hot.