Grilled Flank Steak Recipe – Simple & Flavorful

Bringing restaurant-quality steak to your backyard grill requires minimal effort with this flank steak approach. This cut offers excellent flavor and quick cooking times, making it ideal for weeknight dinners or weekend gatherings. Follow these straightforward steps for perfectly grilled results every time.

Why This Recipe Works

• The marinade uses simple ingredients that penetrate the meat effectively, creating depth of flavor without overwhelming the natural beef taste
• Flank steak’s lean composition and distinct grain make it ideal for quick grilling and slicing against the grain for maximum tenderness
• High-heat grilling creates a flavorful crust while keeping the interior juicy and medium-rare, the optimal doneness for this cut
• Resting time allows juices to redistribute throughout the meat, ensuring each bite remains moist and flavorful
• The recipe requires minimal active cooking time, making it accessible for both novice and experienced grillers

Ingredients

• 1.5 lbs flank steak
• 1/4 cup olive oil
• 3 tbsp soy sauce
• 2 tbsp red wine vinegar
• 2 cloves garlic, minced
• 1 tsp black pepper
• 1/2 tsp salt
• 1 tsp dried oregano
• 1/2 tsp smoked paprika

Equipment Needed

• Grill (gas or charcoal)
• Tongs
• Mixing bowl
• Whisk
• Resealable plastic bag or shallow dish
• Instant-read thermometer
• Cutting board
• Sharp knife

Instructions

Prepare the Marinade

Combine 1/4 cup olive oil, 3 tablespoons soy sauce, 2 tablespoons red wine vinegar, 2 minced garlic cloves, 1 teaspoon black pepper, 1/2 teaspoon salt, 1 teaspoon dried oregano, and 1/2 teaspoon smoked paprika in a mixing bowl. Whisk these ingredients thoroughly until fully emulsified and well combined. The olive oil and vinegar should form a cohesive mixture without separation. The soy sauce provides umami depth while the vinegar tenderizes the meat fibers. Ensure all dry spices are fully incorporated into the liquid components. This marinade balances acidity, saltiness, and aromatic flavors to complement the beef without overpowering its natural taste. The preparation takes approximately 3-4 minutes of active mixing time.

Marinate the Steak

Place 1.5 pounds of flank steak in a resealable plastic bag or shallow dish, then pour the prepared marinade over the meat. Ensure the steak is completely coated on all surfaces by turning it several times in the marinade. Press out excess air from the bag before sealing, or cover the dish with plastic wrap if using a container. Refrigerate the marinating steak for at least 4 hours and up to 12 hours for optimal flavor penetration. Do not exceed 24 hours as the acidic components can begin to break down the meat texture. Turn the steak once halfway through marinating if possible to ensure even distribution of flavors. The marinade should fully surround the meat during this resting period.

Preheat the Grill

Remove the marinated flank steak from refrigeration 30 minutes before grilling to allow it to approach room temperature. Preheat your grill to high heat, aiming for 450-500°F surface temperature. For gas grills, turn all burners to high and close the lid for 15 minutes. For charcoal grills, arrange hot coals in a two-zone setup with one side having more coals for direct high heat. Use a grill brush to clean the grates thoroughly while heating. Oil the grates lightly with a high-smoke-point oil like canola or vegetable oil using tongs and a folded paper towel. Proper preheating ensures good sear marks and prevents sticking. Tip: A properly heated grill should make the steak sizzle immediately upon contact.

Grill the Steak

Place the marinated flank steak on the hottest part of the preheated grill grates. Close the lid and cook for 5-6 minutes without moving the steak to develop a dark brown crust. Use tongs to flip the steak to the opposite side and continue grilling with the lid closed for another 4-5 minutes. Check internal temperature with an instant-read thermometer inserted horizontally into the thickest part of the meat. For medium-rare, remove at 130-135°F; for medium, remove at 140-145°F. The steak will have firm resistance when pressed with tongs but still give slightly. Avoid pressing down on the steak during cooking as this squeezes out valuable juices. Total grilling time typically ranges from 9-12 minutes depending on thickness and desired doneness.

Rest and Slice

Transfer the grilled flank steak to a clean cutting board and let it rest undisturbed for 10 minutes. This resting period allows the muscle fibers to relax and reabsorb juices distributed during cooking. While resting, notice that the internal temperature will continue to rise by 5-10°F due to carryover cooking. After resting, identify the direction of the meat grain by looking for the long parallel muscle fibers running along the length of the steak. Use a sharp knife to slice thinly across the grain at a slight angle, creating 1/4-inch thick slices. Cutting against the grain shortens the muscle fibers, making each piece more tender to chew. Arrange the sliced steak on a serving platter and pour any accumulated resting juices over the top. Tip: Slicing against the grain is crucial for flank steak tenderness.

Tips and Tricks

For optimal results, consider these additional techniques beyond the basic instructions. When selecting flank steak at the grocery store, look for even thickness throughout the cut, ideally about 1 inch thick. Avoid pieces with excessive silverskin or uneven marbling. If your steak has particularly thick sections, consider butterflying or scoring the surface lightly to promote even cooking. For enhanced flavor development, you can dry brine the steak by sprinkling with salt 1-2 hours before marinating, then patting dry before adding the marinade. This helps season deeper into the meat while drawing out moisture that then reabsorbs with the salt. When grilling, maintain consistent heat by keeping the lid closed as much as possible and avoiding frequent temperature adjustments. If flare-ups occur, move the steak temporarily to a cooler part of the grill until flames subside. For charcoal grills, adding wood chips like hickory or mesquite can introduce subtle smoke flavor. Soak chips for 30 minutes before scattering over hot coals. After slicing, any leftover steak stores well in an airtight container for 3-4 days in the refrigerator. Reheat gently in a skillet with a tablespoon of broth or water to maintain moisture. The sliced steak also works well cold in salads or sandwiches. For meal prep, you can marinate multiple steaks and freeze them in individual portions with the marinade, then thaw in the refrigerator before grilling. If you don’t have a grill, use a cast-iron skillet or grill pan heated over high heat on the stovetop, following similar timing guidelines. Always let your knife do the work when slicing—use a smooth sawing motion rather than pressing straight down for cleaner cuts. Finally, consider reserving a small amount of unused marinade before adding to the raw steak to use as a finishing sauce, but be sure to boil it first to eliminate any bacteria from the raw meat contact.

Recipe Variations

• Asian-inspired version: Replace the marinade with 1/4 cup soy sauce, 2 tablespoons sesame oil, 2 tablespoons rice vinegar, 1 tablespoon grated ginger, 2 minced garlic cloves, and 1 tablespoon brown sugar. Marinate as directed and garnish with sliced green onions and sesame seeds after grilling. This variation offers sweet and savory notes with aromatic ginger undertones.
• Southwestern style: Use 1/4 cup lime juice, 2 tablespoons olive oil, 1 teaspoon chili powder, 1 teaspoon cumin, 1/2 teaspoon chipotle powder, 2 minced garlic cloves, and 1/2 teaspoon salt. Serve the grilled steak with fresh cilantro, lime wedges, and sliced avocado. This creates a brighter, spicier profile perfect for tacos or fajitas.
• Herb-focused marinade: Combine 1/4 cup olive oil, 2 tablespoons lemon juice, 1 tablespoon chopped fresh rosemary, 1 tablespoon chopped fresh thyme, 2 minced garlic cloves, 1 teaspoon black pepper, and 1/2 teaspoon salt. This European-inspired version highlights the herbal notes without overwhelming the beef flavor.
• Coffee-rubbed alternative: Skip the wet marinade and instead combine 2 tablespoons finely ground coffee, 1 tablespoon brown sugar, 1 teaspoon smoked paprika, 1 teaspoon garlic powder, 1 teaspoon black pepper, and 1/2 teaspoon salt. Rub this mixture onto the steak 1 hour before grilling. The coffee creates a rich, dark crust with complex bitter notes that complement the beef.
• Balsamic glaze finish: Use the original marinade but reserve 1/4 cup before adding to the steak. After grilling and resting, simmer the reserved marinade with 2 additional tablespoons of balsamic vinegar until slightly thickened. Drizzle this reduction over the sliced steak for an elegant presentation with sweet-tart notes.

Frequently Asked Questions

How long should I marinate flank steak?

Flank steak benefits from marinating between 4 and 12 hours for optimal flavor penetration. The acidic components in the marinade, like vinegar, help break down connective tissues, making the meat more tender. However, marinating beyond 24 hours can cause the exterior to become mushy as the acids continue working. If you’re short on time, even 2 hours will impart some flavor, though the results won’t be as pronounced. Always marinate in the refrigerator to maintain food safety standards, and bring the steak to room temperature for 30 minutes before grilling to ensure even cooking throughout the meat.

Can I cook flank steak to well-done?

While you can technically cook flank steak to well-done (160°F internal temperature), it’s not recommended because this lean cut becomes tough and dry when cooked beyond medium. The muscle fibers in flank steak are naturally tight, and extended cooking causes them to contract forcefully, squeezing out moisture. For the most tender results, aim for medium-rare (130-135°F) or medium (140-145°F). If you prefer well-done beef, consider choosing a different cut with more marbling like ribeye or strip steak, which contain more fat to keep the meat moist during longer cooking times.

What’s the difference between flank steak and skirt steak?

Flank and skirt steak are both lean, flavorful cuts from the abdominal area, but they have distinct differences. Flank steak comes from the lower abdominal muscles, is thicker and wider, with long, noticeable grain lines. Skirt steak comes from the diaphragm muscles, is thinner and longer, with more irregular grain patterns. Flank steak typically weighs 1.5-2 pounds, while skirt steak is usually 3/4-1 pound. Both benefit from marinating and quick cooking, but skirt steak cooks even faster due to its thinner profile. Flank steak slices more neatly for presentations, while skirt steak works better for fajitas or chopped applications.

How should I store and reheat leftover flank steak?

Store leftover grilled flank steak in an airtight container in the refrigerator for up to 4 days. For best results, slice the steak before storing rather than keeping it whole. To reheat, place slices in a single layer in a skillet over medium-low heat with a tablespoon of beef broth or water to create steam. Cover and heat for 2-3 minutes until warmed through. Avoid microwaving, which can make the meat rubbery and unevenly heated. Leftover flank steak also works well cold in salads, sandwiches, or grain bowls where reheating isn’t necessary. You can freeze cooked flank steak for up to 3 months wrapped tightly in plastic and foil.

Why is cutting against the grain so important?

Cutting against the grain is crucial for flank steak because it shortens the long, tough muscle fibers that run parallel through the meat. When you slice with the grain, you’re serving long strands of muscle that require significant chewing effort. Slicing across these fibers creates shorter pieces that feel much more tender when eaten. To identify the grain, look for the parallel lines running along the length of the steak before cooking—they become more visible after cooking. Always use a sharp knife and slice at a slight angle rather than straight down for the most tender results. This technique can make the difference between chewy and tender flank steak.

Summary

This grilled flank steak recipe delivers maximum flavor with minimal effort. Proper marinating, high-heat grilling, and slicing against the grain transform this affordable cut into a tender, restaurant-quality meal perfect for any occasion.