A tuna steak is a delicious and healthy option for a quick, easy weeknight meal. This recipe uses a simple soy sauce, lemon juice, and garlic marinade to infuse the fish with flavor. Be sure to use fresh tuna that has been adequately refrigerated for best results. When cooking, sear the tuna in a hot pan until it reaches the desired level of doneness. Whether you’re looking for a light and healthy meal or something to impress your guests, this marinated tuna steak will hit the spot.