Rolled Flank Steak with Chimichurri Sauce
We went exploring at a new Farmer’s Market last weekend and picked up chimichurri sauce from one of the venders. Usually, I like to make my own pesto and sauces, but I made an exception with this one. The flavor was fresh and the garlic did not overwhelm the other ingredients. Also, this sauce was my concession to what I really wanted to buy.
The vender was from an Argentinean restaurant, Gaucho Burger, and they were selling chimichurri sauce and Gaucho Burgers made with sliced roasted pork, lettuce, tomato and slathered in chimichurri sauce. I really wanted one of those burgers. The pork roast had a slight pink color, looked juicy and seasoned throughout with chimichurri. It looked perfectly cooked and delicious. Unfortunately, it was only an hour past my breakfast so I could not justify eating a big burger. I settled on buying their chimichurri sauce instead.
Settled on is not a fair statement because chimichurri sauce can stand on its own merit. It is an Argentinean sauce made with parsley, oregano, garlic, red pepper, olive oil, and vinegar. It is traditionally used as a condiment or marinade for beef. However, I am sure it will taste great on chicken, lamb, pork, fish and grilled vegetables. The sauce’s bright taste comes from fresh parsley and vinegar. Yet, the flavor is nicely balanced with minced garlic, oregano and red pepper flakes. That bit of acid brings all the flavors together and tones down the sharp bite of fresh garlic. I love it. You can make it hot, mild, thick or thin. It is easily adaptable for any type of food.
Once home, I knew exactly how I wanted to use the chimichurri. With not enough time for a pork roast, I decided on butterflied flank steak with a layer of chimichurri sauce. After spreading the chimichurri over the meat, I rolled-up the flank steak and secured with kitchen string. The result is a steak that looks like a roast with a spiral of chimichurri sauce throughout the middle. It is tender and full of flavor.
Rolled flank steak tastes great grilled, or you can sear the meat in a skillet on the stove then finish cooking in the oven. Serve the rolled flank steak with chimichurri sauce hot or at room temperature. This makes it a perfect choice for entertaining. It is also easy enough to make during the week. Just butterfly, layer, roll-up, and refrigerate during the day. When you come home, it is ready for cooking.
Tips or Success for Rolled Flank Steak with Chimichurri Sauce
Butterflying the flank steak is an easy thing to do, but if you do not want to butterfly the flank steak yourself, ask the butcher to do it. Make sure the butcher cuts through the meat beginning on the long side of the flank steak.
Compared to other steak cuts, flank steak is a tougher piece of meat. However, with extra preparation and proper carving, a tender slice of flank steak is possible. The muscle fibers, also known as the grain, are distinct. When carving flank steak, carving the meat thinly on a diagonal and across the grain, creates tender slices of steak.
The same technique applies to rolled flank steak. When rolling-up the flank steak, make sure to roll it across the grain. You will see the muscle fibers running the length of the meat. This way, when you carve the rolled flank steak you will cut the meat across the grain at the ends.
For best results, serve flank steak medium-rare. Well done flank steak is tough to chew. An instant read thermometer is great in determining the level of doneness for a thick piece of meat. The internal temperature for rare beef is 125˚F (52˚C) and medium-rare is around 130˚F (54˚C). I stopped cooking my rolled flank steak close to 125˚F (52˚C), then I let the steak rest and continue to cook with the residual heat for 10 minutes. This is an easy step to do and prevents over cooking the steak.
It is a little more difficult to gauge the temperature in a stuffed piece of meat, you need the thermometer to be in the center. Also, how red the juices are will tell you how far along the cooking process is. The redder the juice the rarer it is. If you pierce the meat and no juices appear it means one of two things: the meat is barely cooked, or it is well done and dry.
More flank steak recipe ideas:
Included with my rolled flank steak recipe is a recipe for chimichurri sauce that I slightly adapted from Simply Recipes website.
Rolled Flank Steak with Chimichurri Sauce
- For the Chimichurri Sauce
- 1 cup 250 ml firmly packed Italian parsley leaves
- 5 medium garlic cloves
- 2 TB fresh oregano leaves
- 1/3 cup 75 ml extra virgin olive oil
- 2 TB red wine vinegar
- 1/2 tsp Kosher salt
- 1/4 tsp red pepper flakes
For the Flank Steak
- 1- 1.5 - 2 lb 750 g - 1 k flank steak
- 3 oz - 4 oz 75 g- 125 g chimichurri sauce
- Kosher Salt about 1/4 teaspoon
- Fresh ground black pepper
Add the parsley, oregano, garlic in a food processor and process until finely pureed. When necessary, scrape down the sides of the bowl to get everything processed evenly. (See Note)
Add the herbs to a small bowl, then whisk together the herbs with the olive oil, vinegar, salt and red pepper flakes. Taste and adjust the seasoning.
Use right away or store, tightly sealed, in the refrigerator for a couple of days.
Prepare the flank steak
Place the flank steak on a cutting board in front of you with the short end facing you, and the meat fibers running perpendicular to you.
Butterfly the flank steak. Using a long, thin, and sharp knife, like a boning knife, cut the flank steak in half through the thickness of the meat. Beginning at the outer long side, either your right or left. Cut through the middle thickness of the steak, pulling back the top layer as you go. Keep the knife blade level to the countertop so you do not cut up or down, just straight across. Cut the flank steak open until you reach a half an inch from cutting all the way through at the opposite side. Open the steak like a book.
Press on the seam with the heal of your hand to smooth out any uneven dumps.
Sprinkle about a 1/4 teaspoon of Kosher salt over both sides of the flank steak.
Spread the chimichurri sauce over the side of the flank steak you just cut open.
Staring at the long side, either right or left depending on your dominant hand, roll up the steak with the meat grain running long and perpendicular to you.
Once rolled up, tie up your flank steak roll with kitchen twine. I use 5 ties up the length of the rolled steak. Trim off the long ends of the string.
Rub any escaped chimichurri sauce over the exterior of the steak. Cook right away or let marinate wrapped in plastic in the refrigerator. Marinate for no more than 8 hours.
Cook the steak.
Rolled flank steak is great cooked on the grill, or seared in a grill pan or skillet, then baked in the oven. If you marinated it in the refrigerator, bring the flank steak up to room temperature before you start cooking it. I usually take the meat out an 30 minutes to an hour before I start cooking it.
Prepare the grill for direct and indirect heat areas. Oil the grill before placing the meat down. When the grill is nice and hot place the rolled flank steak directly over the flames on the grill (direct heat). Sear the meat. Turn the meat every couple of minutes and sear all sides of the surface, about 8 to 10 minutes total. Once the meat is seared, move it over to the side of the grill prepared for indirect heat. Cook for about 10 minutes, covered. Check the internal temperature. If the temperature in the middle of the meat is around 120˚F - 125˚F (49˚C- 52˚C), the steak is done cooking.
Remove the flank steak from the grill and let it rest covered with foil for 10 minutes. This resting period should produce medium-rare rolled flank steak, about 130˚F - 135˚F (54˚C- 57˚C).
Stove top cooking
Preheat the oven to 375˚F (190˚C / Gas Mark 5). Heat and lightly oil a skillet or grill pan large enough to hold your rolled flank steak. When your pan is almost smoking, sear your flank steak, turning it over every 2 minutes searing the steak all over. When the flank steak is seared, place the pan with the flank steak in the oven and cook. After 10 minutes, check the internal temperature. Stop cooking when the internal temperature in the middle of the rolled steak reaches between 120˚F - 125˚F (49˚C- 52˚C). Place the rolled flank steak on a cutting board and let it rest covered in foil for 10 minutes. Medium-rare meat has an internal temperature of, 130˚F - 135˚F (54˚C- 57˚C).
Slice and Serve
Cut off the ties and slice the rolled flank in /2 inch slices across the grain. Serve warm or at room temperature.
Leftovers make great sandwiches with a chimichurri mayo, lettuce, tomato and your favorite bread or roll.
If you do not own a food processor, you can make the sauce by finely mincing the herbs with a knife.
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