SEARED TUNA STEAKS WITH CAPER BUTTER

Seared Tuna Steaks with Caper Butter image

Provided by Martha Stewart

Number Of Ingredients 7

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4 fresh tuna steaks, each about 8 ounces and 3/4 inch thick
Extra-virgin olive oil, to coat tuna
Salt and freshly ground black pepper
4 tablespoons (1/2 stick) unsalted butter, room temperature
2 tablespoons capers, rinsed and dried
1 tablespoon finely diced red and/or yellow pepper
1 large bunch fresh arugula

Steps:

Rub tuna with olive oil, salt, and plenty of pepper. Set aside to marinate for at least 20 minutes.
In a small bowl, combine butter, capers, and diced peppers. Turn mixture onto a square of parchment or wax paper, and roll into a log about 1/2-inch in diameter. Refrigerate until firm, about 30 minutes.
Heat an iron skillet slowly over low heat until very hot (a few drops of water splashed in the pan should evaporate almost immediately). Arrange tuna in skillet, and cook for about 5 minutes on each side. It should be well browned and crisp on the outside and rare to medium on the inside.
Arrange arugula on plates or platter. Place tuna on top with a slice of caper butter on each steak. Serve immediately.