Delicious Flank Steak with Basil Chimichurri Recipe

Modified:April 29, 2026

Published:April 22, 2026

by Emma Hayes

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Why This Flank Steak with Basil Chimichurri is Your Next Go-To Meal

Ever bitten into a piece of steak so tender, so explosively flavorful, that it just melts in your mouth? That’s exactly what you’ll experience with this incredible Flank Steak with Basil Chimichurri recipe! Imagine perfectly seared flank steak, boasting a savory crust and a juicy, rosy-pink interior, all crowned with a vibrant, herbaceous basil chimichurri that sings with freshness. It’s a meal that looks impressive but is surprisingly simple to master, guaranteed to become a regular star in your kitchen rotation. For more culinary inspiration, you can always See more good recipes here .

My Journey to the Perfect Flank Steak

Flank steak and I have a history. For years, I struggled to get it just right – sometimes it was tough, other times bland. I experimented with countless marinades, cooking methods, and resting techniques. Through trial and error, and a lot of memorable (and some not-so-memorable) dinners, I finally cracked the code to consistently tender, supremely flavorful flank steak. The secret? A thoughtful marinade, high-heat searing, and, perhaps most importantly, patience. And the chimichurri? A lightbulb moment when I paired the bright, peppery notes of basil with the classic tang of chimichurri. Pure magic!

What Makes This Recipe a Winner (Flavor and Texture)

  • Unmatched Tenderness: Our marinade works hard to break down tough fibers, ensuring every bite of flank steak is melt-in-your-mouth tender.
  • Explosive Flavor Combination: The savory, umami-rich steak perfectly complements the zingy, herbaceous, and garlicky basil chimichurri – a truly dynamic duo!
  • Stunning Presentation: This dish is a feast for the eyes, with the beautifully seared steak and the vibrant green chimichurri making it perfect for entertaining or a special weeknight meal.
  • Surprisingly Simple: Despite its gourmet feel, the steps are straightforward and achievable for home cooks of all levels.

Ingredients That Make a Difference (and Smart Swaps)

Here is what you need and why:

Flank Steak: The star of our show! Flank steak is a lean, flavorful cut that becomes incredibly tender when marinated and cooked correctly. Look for a piece that’s evenly thick, or thicker at one end and tapering down – this allows for different levels of doneness in one cut, pleasing everyone. When purchasing, choose fresh, bright red meat with good marbling. Certified Angus Beef is a great option for consistent quality. If flank is unavailable, skirt steak or even hanger steak (though pricier) can be used as alternatives, just be mindful of their thinner nature and adjust cooking times accordingly.

Basil Chimichurri: This isn’t your average parsley-dominant chimichurri! By making basil the star, we introduce a sweeter, more aromatic, and slightly peppery freshness. You’ll need a generous amount of fresh basil – don’t skimp! You could experiment with a small amount of fresh mint or cilantro alongside the basil for an extra layer of complexity, but basil is king here. The acid balance comes from red wine vinegar and lemon juice – the vinegar provides depth, while the lemon adds a bright, citrusy lift. Ensure your herbs are fresh and vibrant for the best results.

Marinade Essentials: This marinade is designed to build serious depth of flavor. Olive oil is the base, helping to carry flavors and promote tenderness. Acid (like red wine vinegar or balsamic) helps to break down the meat’s fibers, tenderizing it without “cooking” it like highly acidic marinades can. Aromatics like minced garlic and finely chopped shallot infuse the steak with foundational savory notes. A touch of soy sauce (or tamari for gluten-free) adds umami and helps with browning.

Salt and Pepper: These aren’t just for seasoning; they’re crucial for developing that gorgeous, crusty sear. Coarsely ground black pepper adds a subtle spice and texture. Use a good quality coarse sea salt or kosher salt, which adheres well and distributes seasoning evenly. Seasoning liberally before cooking is key!

Step-by-Step: Mastering Flank Steak with Basil Chimichurri

Follow these step-by-step photos:

1. Preparing the Flank Steak (Trimming and Scoring)

Unroll your flank steak. Trim any excess silver skin or overly fatty edges, but don’t go overboard – a little fat adds flavor. Now, and this is crucial for tenderness, use a sharp knife to score the surface of the steak in a shallow crisscross pattern on both sides, about 1/8 inch deep and 1 inch apart. This helps the marinade penetrate deeper and prevents the steak from curling during cooking.

2. Crafting the Simple, Flavorful Marinade

In a medium bowl, whisk together the olive oil, red wine vinegar, minced garlic, finely chopped shallot, soy sauce, a pinch of red pepper flakes (if using), and a good crack of fresh black pepper. Stir until well combined. The marinade should smell aromatic and inviting – a promise of the deliciousness to come!

3. Marinating for Maximum Tenderness and Taste

Place the prepared flank steak in a shallow dish or a heavy-duty zip-top bag. Pour the marinade over the steak, ensuring it’s completely coated. Massage the marinade into the meat. Seal the bag or cover the dish and refrigerate for at least 2 hours, but preferably 4-6 hours, and up to 12 hours for maximum tenderness and flavor. Don’t marinate for much longer, as the acid can start to break down the meat too much.

4. Assembling the Vibrant Basil Chimichurri

While the steak marinates, prepare your chimichurri. In a food processor, combine the fresh basil leaves, minced garlic, a sprinkle of red pepper flakes, fresh oregano (if using), red wine vinegar, and lemon juice. Pulse until finely chopped but not a paste – you want some texture. Gradually drizzle in the olive oil while pulsing until just combined. Season generously with salt and pepper to taste. Adjust acidity with more vinegar or lemon juice if desired. Store in an airtight container at room temperature for up to 2 hours, or refrigerate for longer, but let it come to room temp before serving.

5. Cooking the Steak to Perfection (Pan-Sear, Grill, or Broil)

Remove the steak from the marinade and pat it thoroughly dry with paper towels – this is key for a good sear. Liberally season both sides with salt and pepper. Heat a heavy-bottomed, oven-safe skillet (cast iron is ideal) over high heat until smoking. Add a tablespoon of high-smoke-point oil (like grapeseed or avocado). Sear the flank steak for 3-5 minutes per side for medium-rare, or until it reaches your desired internal temperature (130-135°F for medium-rare). For grilling, preheat your grill to high and cook 4-6 minutes per side. For broiling, place on a broiler pan 4-6 inches from the heat for 4-6 minutes per side.

6. Resting, Slicing, and Serving with Chimichurri

This is arguably the most important step for juicy steak! Once cooked, transfer the flank steak to a cutting board and tent loosely with foil. Let it rest for at least 10 minutes (15 is even better). This allows the juices to redistribute throughout the meat, ensuring every slice is succulent. After resting, slice the steak thinly against the grain. Arrange the slices on a platter and spoon the vibrant basil chimichurri generously over the top. Serve immediately and watch it disappear!

Expert Tips for Success

  • Don’t Skip the Rest: Seriously, this is non-negotiable. Resting allows the muscle fibers to relax and reabsorb juices, giving you incredibly tender and moist steak instead of dry, tough meat with juices running all over your cutting board.
  • Slicing Against the Grain: Look at the muscle fibers running through the steak; slice perpendicular to them. This shortens the fibers, making the steak much easier to chew and dramatically more tender.
  • Adjusting Chimichurri to Your Taste: Taste your chimichurri! If it needs more zing, add a splash more vinegar or lemon juice. If it’s too potent, drizzle in a bit more olive oil. It should taste bright, fresh, and balanced.
  • High Heat is Your Friend: Whether pan-searing or grilling, high heat is essential for developing that coveted, deeply browned, flavorful crust (the Maillard reaction!). Don’t overcrowd your pan, or the temperature will drop, and you’ll steam the steak instead of searing it.

What to Serve with Flank Steak and Basil Chimichurri

Simple Sides: Complementary Flavors

This dish is so flavorful, it pairs beautifully with simple sides that let the steak and chimichurri shine. Think roasted asparagus, grilled corn on the cob, a fresh garden salad with a light vinaigrette, or simple steamed green beans. These fresh, vibrant options echo the chimichurri’s herbaceousness.

Heartier Options: Making It a Full Meal

If you’re looking for something more substantial, consider serving it with a creamy polenta, fluffy jasmine rice, or garlic mashed potatoes. Roasted sweet potatoes or a hearty quinoa salad would also be fantastic. Any side that can absorb some of that delicious chimichurri is a winner!

Storing and Reheating Your Leftovers (If There Are Any!)

Best Practices for Storing Steak and Chimichurri

If you’re lucky enough to have leftovers, store the sliced flank steak and the chimichurri separately in airtight containers in the refrigerator. The steak will stay good for 3-4 days, and the chimichurri for about 5 days. For optimal flavor and safety, always refrigerate promptly.

Reheating Without Drying Out the Steak

Reheating steak can be tricky, but it’s not impossible to keep it tender! For best results, gently reheat the sliced steak in a pan over low heat with a splash of beef broth or water, just until warmed through. Alternatively, you can warm it briefly in the microwave on a low setting, covered, for short bursts. Avoid high heat, as it will dry out the steak. Once warmed, spoon fresh chimichurri over the top to revive its flavors and moisture.

Frequently Asked Questions

Can I use another cut of steak?

Absolutely! While flank steak is ideal, you can use skirt steak, hanger steak, or even top sirloin. Just remember that thinner cuts like skirt steak will cook much faster, so adjust your cooking times accordingly. The key is still a good marinade and high heat!

How long can I marinate the flank steak?

For flank steak, I recommend marinating for a minimum of 2 hours for flavor, and up to 12 hours for optimal tenderness. Any longer, and the acid in the marinade can start to break down the meat too much, leading to a mushy texture rather than tender.

Can I make the chimichurri ahead of time?

Yes, you can! Basil chimichurri can be made up to 24-48 hours in advance and stored in an airtight container in the refrigerator. The flavors actually meld beautifully over time. Just let it come to room temperature for about 30 minutes before serving to ensure the olive oil is fluid and the flavors are vibrant.

Is there a substitute for fresh basil in the chimichurri?

While fresh basil truly makes this chimichurri unique, you can certainly experiment with other fresh herbs. A classic chimichurri uses parsley and oregano. You could try a mix of parsley, cilantro, or even some fresh mint for a different flavor profile. Dried herbs aren’t recommended for chimichurri as they lack the vibrant freshness essential to the sauce.

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Delicious Flank Steak with Basil Chimichurri


  • Total Time: 35 minutes
  • Yield: 4 servings

Description

Master the art of perfectly seared flank steak, tender and juicy, crowned with a vibrant, herbaceous basil chimichurri. This impressive dish is surprisingly simple to make and packed with incredible flavor.


Ingredients

  • For the Flank Steak:
  • 1.52 lbs flank steak
  • 2 tbsp olive oil
  • 2 tbsp red wine vinegar
  • 4 cloves garlic, minced
  • 1 small shallot, finely chopped
  • 1 tbsp soy sauce (or tamari)
  • 1/2 tsp red pepper flakes (optional)
  • Salt and freshly ground black pepper, to taste
  • For the Basil Chimichurri:
  • 2 cups fresh basil leaves, packed
  • 4 cloves garlic, minced
  • 1/4 tsp red pepper flakes
  • 1/2 tsp dried oregano (optional, or 1 tsp fresh)
  • 3 tbsp red wine vinegar
  • 1 tbsp fresh lemon juice
  • 1/2 cup extra virgin olive oil
  • Salt and freshly ground black pepper, to taste

Instructions

  • 1. Prepare the Flank Steak: Trim any silver skin from the flank steak. Score both sides of the steak in a shallow crisscross pattern (about 1/8 inch deep, 1 inch apart).
  • 2. Make the Marinade: In a bowl, whisk together 2 tbsp olive oil, 2 tbsp red wine vinegar, 4 minced garlic cloves, chopped shallot, soy sauce, and red pepper flakes (if using).
  • 3. Marinate the Steak: Place the steak in a zip-top bag or shallow dish. Pour the marinade over, ensuring it’s coated. Refrigerate for at least 2 hours, or up to 12 hours.
  • 4. Prepare the Basil Chimichurri: In a food processor, combine basil, 4 minced garlic cloves, red pepper flakes, oregano (if using), 3 tbsp red wine vinegar, and lemon juice. Pulse until finely chopped. Gradually drizzle in 1/2 cup olive oil while pulsing until just combined. Season with salt and pepper. Set aside.
  • 5. Cook the Steak: Remove steak from marinade and pat thoroughly dry. Season liberally with salt and pepper. Heat a cast iron skillet over high heat until smoking. Add 1 tbsp high-smoke-point oil. Sear steak for 3-5 minutes per side for medium-rare (130-135°F internal temperature).
  • 6. Rest, Slice & Serve: Transfer steak to a cutting board, tent with foil, and rest for 10-15 minutes. Slice thinly against the grain. Serve immediately with generous dollops of basil chimichurri.
  • Prep Time: 20 mins
  • Cook Time: 15 mins

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