FLANK STEAK WITH CHIMICHURRI SAUCE

Flank Steak with Chimichurri Sauce image

Provided by Jet Tila

Categories main-dish

Time 25m

Yield 4 servings

Number Of Ingredients 14

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1 cup (60 g) packed fresh parsley
3 tablespoons (8 g) chopped cilantro
1 teaspoon dried oregano
3 cloves garlic, finely minced
1/2 cup (120 ml) olive oil
1/4 cup (60 ml) red wine vinegar
1/4 teaspoon crushed red pepper
1 teaspoon Maldon sea salt
2 pounds (910 g) flank steak
Kosher salt and freshly ground pepper
2 tablespoons (30 ml) olive oil
1 tablespoon (15 ml) soy sauce
1 large red onion, sliced into 1/2-inch-thick (1.3-cm) rings
Vegetable oil or nonstick cooking spray, for greasing

Steps:

Make the chimichurri sauce: Add all the sauce ingredients to a small food processor. Pulse 4 to 6 times, until the herbs are roughly chopped and chunky. Transfer to a serving bowl.
Cook the steak: Pat the flank steak dry with a paper towel. Season generously with salt and a pinch of ground pepper. Place in a medium bowl and drizzle with the olive oil and soy sauce. Add the onion to the bowl and give it all a massage until combined.
Heat a grill to high for at least 5 minutes. If using a charcoal or gas grill, wipe the grill grates with a lightly oiled paper towel right before cooking to clean off any char and debris. This will give you a great grill mark and help keep the beef from sticking. Alternatively, place a grill pan over high heat and preheat for at least 5 minutes. Rub a little oil on the pan or spray with nonstick cooking spray.
Grill the steak for about 3 minutes, or until well browned on one side. Turn the steak over and add the onion to the grill. Cook for another 2 minutes, or until the internal temperature reaches 125 degrees F (52 degrees C) for medium-rare, or to your desired doneness (see Cook's Note). You just want the onions slightly charred but still crunchy. Transfer the steak and onions to a cutting board and allow to rest, tented with foil, for 5 minutes. Slice the steak against the grain into 1-inch (2.5-cm) planks. Serve the steak over the onions and drizzle with the chimichurri sauce.