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Flavorful Chimichurri Grilled Flank Steak Recipe with Easy Garlic Herb Butter

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A quick and easy grilled flank steak recipe featuring a bright chimichurri sauce and rich garlic herb butter, perfect for weeknights or gatherings.

Ingredients

Scale
  • 1½ to 2 pounds flank steak, trimmed of excess fat
  • 2 tablespoons olive oil (for brushing)
  • Salt and freshly ground black pepper, to taste
  • 1 cup fresh flat-leaf parsley, finely chopped
  • ½ cup fresh cilantro, chopped (optional)
  • 4 cloves garlic, minced
  • 2 tablespoons red wine vinegar
  • ½ cup extra virgin olive oil
  • 1 teaspoon dried oregano (or 1 tablespoon fresh, finely chopped)
  • ¼ teaspoon red pepper flakes
  • Salt and black pepper to taste
  • 4 tablespoons unsalted butter, softened
  • 2 cloves garlic, finely minced
  • 1 tablespoon fresh parsley, finely chopped
  • 1 teaspoon fresh thyme leaves (optional)
  • Pinch of salt

Instructions

  1. Prepare the Chimichurri Sauce: In a medium bowl, combine parsley, cilantro, and minced garlic. Add red wine vinegar, olive oil, oregano, red pepper flakes, salt, and pepper. Stir well until vibrant and slightly emulsified. Adjust seasoning and set aside.
  2. Make the Garlic Herb Butter: In a small bowl, mix softened butter with minced garlic, fresh parsley, thyme leaves, and a pinch of salt. Mash until smooth and fragrant. Cover and keep at room temperature.
  3. Prep the Flank Steak: Pat steak dry. Brush both sides with olive oil, season generously with salt and pepper. Let sit for 5 minutes while preheating grill.
  4. Preheat Grill to Medium-High Heat (about 10 minutes).
  5. Grill the Steak: Cook steak 4-5 minutes per side for medium-rare (135°F internal temperature). Use instant-read thermometer or touch test.
  6. Rest the Steak: Transfer to cutting board, tent loosely with foil, rest 5-10 minutes.
  7. Slice and Serve: Slice thinly against the grain. Top with garlic herb butter to melt over warm meat. Spoon chimichurri sauce on top or serve alongside.

Notes

Rest the steak for at least 5 minutes to keep it juicy. Slice against the grain for tenderness. Chimichurri tastes better after resting a few hours or overnight. For dairy-free, substitute garlic herb butter with avocado herb mash or olive oil infused with garlic.

Nutrition

Keywords: chimichurri, grilled flank steak, garlic herb butter, easy steak recipe, weeknight dinner, grilling, steak marinade

Find it online: https://chrisfeasts.com/flavorful-chimichurri-grilled-flank-steak-recipe-with-easy-garlic-herb-butter/