Easy Grilled Flank Steak: Your New Go-To Recipe for Tender, Flavorful Beef

Unlock the secret to perfectly tender and incredibly flavorful grilled flank steak with this easy-to-follow recipe. Starting with a simple yet potent marinade made from everyday pantry ingredients, you’ll be grilling to perfection in no time!

Say goodbye to tough, bland beef and hello to a culinary experience that will impress even the most discerning palates. This recipe delivers a complexity of flavor that is truly unrivaled, making it one of the absolute best flank steak recipes you’ll ever encounter. With just six simple ingredients for the marinade, you’re on your way to a succulent steak dinner that practically cooks itself, leaving you more time to savor the moments with family and friends.

Easy Grilled Flank Steak slices on a white dinner plate with asparagus, perfectly cooked and ready to serve.

Why This Easy Grilled Flank Steak Recipe Is a Must-Make

In the world of grilling, some recipes just stand out. This easy grilled flank steak is one of them, earning its place as a staple in countless kitchens. Here’s why you’ll want to make it your next weeknight hero or weekend showstopper:

Uncomplicated Flavor: This recipe uses a quick, delicious, and incredibly flavorful marinade that requires minimal effort but yields maximum taste.
Grilling Perfection: It’s specifically designed to prepare flank steak for the grill, ensuring tender, juicy results every time.
Pantry Power: All marinade ingredients are common kitchen staples, meaning you likely already have everything you need on hand, saving you a trip to the store.
Consistent Deliciousness: No more last-minute ingredient scrambles! The reliability of these pantry items ensures this delightful dinner is always within reach.

How often have you envisioned a perfect marinade, only to find yourself missing a crucial ingredient? Perhaps a shriveled ginger root hiding in your produce drawer, or the elusive green onions you forgot to add to your shopping list? This frustration is precisely why this Easy Grilled Flank Steak Recipe has become a personal favorite. The beauty lies in its simplicity and accessibility. I can confidently say I am never without the essential components of this recipe.

As long as there’s a flank steak in my refrigerator or freezer, this incredible dinner is destined to happen. Soy sauce? Check. Red wine vinegar? Absolutely. Ground ginger, fresh garlic, and vegetable oil? Multiple checks! This isn’t just another steak recipe; it’s one of the most reliable and delicious ways to enjoy flank steak, a promise I stand by.

The Magic Behind the Marinade: Unlocking Flavor and Tenderness

Beyond being devoted chocolate lovers, my husband and sons are fervent beef enthusiasts. For special occasions, whether it was one of their birthdays or a send-off before returning to college, steak was always the requested main course. From their toddler years, they developed a profound love for beef, readily lumping flank steak into the same revered category as filet mignon, strip steaks, and ribeyes whenever dinner options were discussed. To them, it was simply “another steak,” and they enjoyed it just as much as those more premium cuts, provided it was cooked to a perfect rare—or, as Bill would humorously put it, “just short of mooing.”

Our family’s passion for grilling knows no season. We grill all year long, rain or shine (or snow!). I vividly recall a time when I was out of town, and the boys, along with their dad, had to literally lug our Big Green Egg grill into the house because its lid was frozen shut and needed to defrost! Or the numerous occasions when a golf umbrella, secured with duct tape, served as a makeshift shelter, allowing us to continue grilling valiantly during a summer monsoon. This unwavering dedication to the grill means we’ve mastered the art of preparing flank steak, and it all starts with this phenomenal marinade.

Key Marinade Ingredients and Their Role

Each ingredient in this marinade plays a vital role in transforming an ordinary flank steak into an extraordinary culinary delight:

Vegetable Oil: Forms the base of the marinade, helping to distribute flavors evenly and promote a beautiful sear on the grill. It also helps in retaining moisture within the meat.
Minced Garlic: A foundational flavor enhancer, garlic adds a pungent, aromatic depth that is essential to the marinade’s profile. Freshly minced garlic offers the best results.
Brown Sugar: Provides a touch of sweetness that balances the savory and acidic elements. It also aids in caramelization during grilling, contributing to that desirable crispy, browned exterior.
Soy Sauce: A powerhouse of umami. Soy sauce infuses the beef with a rich, savory depth that is incredibly addictive. It’s the backbone of the marinade’s complex flavor.
Red Wine Vinegar: The acidic component in the marinade. Vinegar is crucial for tenderizing the beef by helping to break down its protein fibers. It also adds a bright, tangy note that cuts through the richness of the beef. It’s a versatile pantry staple, also perfect for salad dressings.
Ground Ginger: Offers a warm, slightly spicy, and aromatic note that complements the soy sauce beautifully. I always keep it in my pantry, especially since I enjoy making gingersnaps. For an even fresher kick, minced fresh ginger can be used as a viable substitute.
Flank Steak: The star of the show! This thin, lean cut of beef from the abdominal region is known for its robust flavor. Scoring the steak (making shallow cuts against the grain) before marinating allows the flavors to penetrate deeper into the meat and helps tenderize it further.

Overhead view of Easy Grilled Flank Steak on a dinner plate with a vibrant green salad, showcasing perfectly sliced meat.

Mastering the Grill: Expert Tips for Flank Steak Perfection

Once I started regularly grilling flank steak for my family, it quickly secured a permanent spot in our menu rotation. While I occasionally experimented with different marinades, the core cooking technique remained consistent. For those new to grilling this fantastic cut of meat, here are a few invaluable pointers to ensure flawless results:

Score for Success: Before you even think about marinating, “score” your flank steak. This means carefully making shallow cuts across the meat, perpendicular to the natural grain (the lines you see running across the meat). I typically make these cuts about an inch and a half apart, running on a slight diagonal from one long side to the other. You can do this on both sides. Alternatively, don’t hesitate to ask your butcher to score the beef for you.
PRO-Tip on Scoring: Beyond its role in preventing the beef from curling excessively on the grill, scoring significantly increases the surface area, allowing the marinade to permeate deeper into the beef, boosting both flavor and tenderness.
Marinating Time is Key: Unlike delicate chicken or seafood, beef can handle a longer marinating period. For the best flavor infusion and tenderization, marinate your flank steak overnight. If an overnight soak isn’t feasible, aim to place the flank steak in the marinade early in the day you plan to grill, ensuring at least 6-8 hours of marinating time.
Seal it Right: I highly recommend marinating in a well-sealed Ziploc bag. This method effectively prevents any messy spills in the fridge – a mishap I’ve experienced more times than I care to admit! It also makes it incredibly easy to flip the bag a few times throughout the day, ensuring the marinade evenly coats every inch of the steak.
PRO-Tip on Doneness: Flank steak truly shines when grilled to a medium-rare doneness. Overcooking this cut can quickly lead to a tough and chewy texture, which defeats the purpose of all that careful marinating. My family often prefers it rare, but I find medium-rare strikes the perfect balance of tenderness and flavor.
PRO-Tip on Resting: Always pull the flank steak off the grill *before* it reaches your desired final temperature. Immediately cover it loosely with foil and let it rest for a full 10 minutes (or even up to 15). This crucial resting period allows the muscle fibers to relax and the internal juices to redistribute evenly throughout the meat, preventing them from escaping when you slice it. During this time, the steak’s internal temperature will continue to rise by approximately 5-10 degrees, so factor this “carry-over cooking” into your grilling time.
PRO-Tip on Slicing: This step is just as critical as the grilling itself. Always slice the meat thinly *across the grain* (meaning perpendicular to the long fibers of the meat). Slicing with the grain will result in long, tough strands, while slicing against it shortens those fibers, making each bite incredibly tender and easy to chew.

Frequently Asked Questions About Grilling Flank Steak

What is Flank Steak?

Flank steak is a lean cut of beef sourced from the abdominal or “flank” region of the steer. It is sometimes referred to as London Broil, although London Broil can also refer to other cuts like top round. Characteristically, it’s a thin, long cut of beef with prominent muscle fibers (the “grain”). Because it comes from a well-exercised part of the animal, flank steak can be quite tough if not properly prepared, which includes marinating and slicing against the grain.

What Are the Ideal Temperatures for Beef Doneness?

While I personally recommend grilling flank steak to a medium-rare for optimal tenderness and juiciness, doneness is ultimately a matter of personal preference. My husband favors rare, while my dad always preferred medium or even well-done. The key is to cook to *your* desired level of doneness. When grilling, remember to remove your beef from the heat when it’s approximately 5-10 degrees Fahrenheit below your target internal temperature. This accounts for carry-over cooking during the resting period. Cover it loosely with foil and let it rest for 5-10 minutes to allow juices to redistribute and the temperature to rise to its final point.

RARE: Cool Red Center. Target 125ºF (remove from grill at 120ºF).
MEDIUM RARE: Warm Red Center. Target 135ºF (remove from grill at 130ºF).
MEDIUM: Warm Pink Center. Target 145ºF (remove from grill at 140ºF).
MEDIUM WELL: Slightly Pink Center. Target 150ºF (remove from grill at 145ºF).
WELL DONE: Little or No Pink in the Center. Target 160ºF (remove from grill at 155ºF).

Can a Flank Steak Be Marinated Too Long?

Yes, it is definitely possible to marinate flank steak for too long. Most marinades, including this one, contain an acidic component like red wine vinegar (or lemon juice in other recipes). Acids work by denaturing, or breaking down, the proteins in the meat to tenderize it. While this is beneficial for tough cuts like flank steak, if left in the marinade for an excessive amount of time (typically more than 24 hours, though some advise less for specific marinades), too much of the protein can break down. This can result in a meat that has a mushy, undesirable texture rather than a tender one.

What’s the Best Way to Cook Flank Steak?

We overwhelmingly prefer grilling flank steak. The high, direct heat of a grill creates the Maillard reaction—a chemical process responsible for the incredible depth of flavor and appealing browning on cooked foods. This reaction gives grilled flank steak its delicious, distinctive caramelized crust. However, broiling in the oven is also an excellent alternative if you don’t have access to a grill. Regardless of the method, cooking to medium-rare is generally recommended for the best balance of tenderness and flavor.

The Recipe: Grilled Flank Steak

This recipe provides an easy, flavorful marinade perfect for flank or tri-tip steak. It was adapted from a dear friend, Becky, and has been a family favorite for years.

Prep Time: 10 minutes

Cook Time: 10 minutes

Total Time: 20 minutes (plus marinating)

Grilled Flank Steak Recipe

An easy, flavorful marinade for your flank or tri-tip. Adapted from my friend, Becky.

Yields: 4 servings

Ingredients

⅓ cup soy sauce
2 tablespoons brown sugar
1 tablespoon red wine vinegar
½ teaspoon ground ginger
1 clove garlic, minced
2 tablespoons vegetable oil
2 pounds flank steak, scored if desired*

Instructions

Prepare the Steak: Score both sides of your flank steak by making shallow diagonal slashes over the surface. This crucial step allows the marinade to penetrate deeper into the meat, ensuring maximum flavor and tenderness.
Combine Marinade: In a large ziplock bag, combine all the marinade ingredients: soy sauce, brown sugar, red wine vinegar, ground ginger, minced garlic, and vegetable oil. Mix well until the sugar is dissolved.
Marinate: Add the scored flank steak to the ziplock bag, ensuring it is fully coated by the marinade. Seal the bag, pressing out as much air as possible. Chill in the refrigerator for 6-8 hours, or preferably overnight, turning the bag occasionally to ensure even distribution of the marinade.
Grill: Before grilling, remove the steak from the refrigerator and let it come to room temperature for about 30 minutes. Preheat your grill to high heat. Place the flank steak on the hot grill and cook to your desired doneness (refer to the temperature guidelines in the FAQ section). For medium-rare, this typically means 4-6 minutes per side.
Rest and Serve: Once cooked, transfer the steak to a cutting board, cover it loosely with foil, and let it rest for 10 minutes. This resting period is essential for juicy results. Finally, slice the meat thinly against the grain and serve immediately.

Notes

* To score, make very shallow slits perpendicular to the grain the whole length of the steak, then flip and repeat on the other side. This helps the marinade permeate the meat and tenderizes it further.

Total time listed does not include the essential marinating time.

Nutrition Information (Estimate Per Serving):

Yield:

Serving Size:

1

Amount Per Serving:
Calories: 530Total Fat: 26gSaturated Fat: 8gTrans Fat: 0gUnsaturated Fat: 14gCholesterol: 179mgSodium: 1285mgCarbohydrates: 7gFiber: 0gSugar: 5gProtein: 65g

Please Note: Nutritional information provided for recipes on this site, including this Grilled Flank Steak recipe, is an estimate only and should be considered as such. This information is typically generated by online calculators and is offered as a courtesy. While efforts are made to provide accurate data, these figures are not guaranteed to be precise. Various factors, such as the specific product brands used, variations in ingredient measurements, and optional toppings or garnishes (which may not be calculated), can significantly alter the nutritional content of any given recipe. For example, when salt is listed “to taste,” its contribution to sodium content will vary. Additionally, different online calculators may produce differing results. For the most accurate nutritional assessment, it is recommended that you calculate the information using the exact ingredients and quantities you incorporate into your own recipe. You bear sole responsibility for ensuring the accuracy of any nutritional information you rely upon.

Serving Suggestions and Pairings

This versatile Grilled Flank Steak pairs wonderfully with a variety of side dishes, making it perfect for any occasion. For a classic meal, serve it alongside roasted asparagus, a crisp green salad, or fluffy mashed potatoes. If you’re looking for something lighter, try a refreshing quinoa salad or grilled corn on the cob. For an Asian-inspired twist, pair it with steamed jasmine rice and stir-fried vegetables. Don’t forget a drizzle of your favorite sauce—a chimichurri or a simple garlic herb butter can elevate the flavors even further. The possibilities are endless, allowing you to tailor your meal to your taste and the season.

Perfectly Grilled Flank Steak