Ahi Tuna Steak is a priced cut of tuna fish that is used for cooking gourmet style meals. Grilled or seared, Ahi Tuna Steak recipes taste best when cooked medium-rare. Prepared with a variety of seasonings and flavorings, some of the best liked Ahi Tuna Steak recipes include blackened ahi tuna steak, grilled ahi tuna steak with spicy crust.