And I promise that this tasty steak with the perfect herb sauce for beef will definitely be a dish that will impress your friends and family. Grilled Flat Iron Steak with Chimichurri Sauce is something that would be great to make over the holiday weekend or whenever you feel like cooking on the grill. PIN Flat Iron Steak with Chimichurri Sauce to try it later! Drizzle the sauce over the steak, drizzle a little more extra-virgin olive oil and serve.Grilled Flat Iron Steak with Chimichurri Sauce is nice for a new twist on steak cooked on the grill and we loved this for a tasty dinner! And if you haven’t tried steak with Chimichurri Sauce, you have to try this herb-loaded sauce for beef see tips if you don’t want to use cilantro! Thinly slice the steaks across the grain.

Season the sauce, to taste, with salt and pepper. Cut the remaining 4 tablespoons of butter into small 1/2-inch chunks and whisk in the sauce a little at a time. Discard the solids in the strainer and return the sauce to the saucepan and bring back to a slow simmer. Strain the sauce into a small bowl, pressing on the solids to extract as much liquid as possible. Simmer until the sauce reduces by half, stirring occasionally, about 10 minutes. Stir in the tomato paste and cook for 2 minutes, stirring constantly.

Add the garlic and oregano and saute until fragrant, about 30 seconds. Add the onions and saute until tender, about 5 minutes. Meanwhile, melt 2 tablespoons of butter in a heavy large saucepan over medium-high heat. Grill to desired doneness, about 5 minutes per side for medium-rare. Sprinkle the steaks with salt and pepper and drizzle with the 3 tablespoons of olive oil. Prepare the grill or barbecue (medium-high heat).

Slow roasted flat iron steak