Grilled Flank Steak

Grilled Flank Steak may be one of the simplest beef dishes to prepare, yet it delivers remarkable flavour when handled with care. Over the years, I have cooked countless cuts of beef for family gatherings, weekend treats and summer celebrations. However, flank steak remains one of my favourites because it rewards a little preparation with outstanding results.

At first glance, flank steak may seem like a modest cut. Nevertheless, it possesses a rich beefy character that many premium cuts struggle to match. Its long muscle fibres create a distinctive texture, while its robust flavour makes it ideal for marinating. Consequently, a good marinade becomes an essential part of the process rather than an optional extra.

One of the greatest advantages of flank steak is its ability to absorb flavour deeply. Therefore, allowing the meat to rest in a well-balanced marinade for several hours transforms the finished dish. The marinade tenderises the meat while adding layers of savoury goodness. As a result, every slice becomes juicy, flavourful, and deeply satisfying.

When it comes time to cook, high heat is absolutely crucial. Whether you use a blazing hot grill or a well-seasoned cast iron skillet, intense heat creates the delicious crust that makes this dish so appealing. Meanwhile, the centre remains tender and succulent. This contrast between the caramelised exterior and juicy interior is what elevates flank steak from simple to spectacular.

Another important step involves resting the meat after cooking. Although it can be tempting to slice immediately, patience pays dividends. During the resting period, the juices settle throughout the steak. Consequently, each slice remains moist rather than losing precious flavour onto the cutting board.

Equally important is the way the steak is sliced. Flank steak should always be cut thinly across the grain. By doing so, the fibres shorten considerably. As a result, every bite becomes noticeably more tender and enjoyable.

In my family kitchen, grilled flank steak often appears when we want something hearty without spending hours preparing a complicated meal. Furthermore, it suits many occasions. It works just as well for a casual weeknight dinner as it does for entertaining friends. In addition, the leftovers make excellent sandwiches, wraps, and salads the following day.

What I particularly enjoy about this dish is its versatility. A smoky marinade works beautifully during barbecue season. Likewise, herb-based marinades create a lighter flavour profile for spring and summer meals. Meanwhile, richer combinations featuring garlic, soy sauce, or Worcestershire sauce provide a comforting depth during cooler months.

Most importantly, grilled flank steak demonstrates that great cooking does not need to be complicated. Instead, success comes from respecting good ingredients and using simple techniques well. With a flavourful marinade, intense heat, and careful slicing, this humble cut delivers restaurant-quality results every time.

Suggested Side Dishes

• Garlic and herb roasted potatoes
• Buttered corn on the cob
• Grilled asparagus
• Creamy coleslaw
• Mixed leaf salad with vinaigrette
• Charred bell peppers and onions
• Sweet potato wedges
• Mushroom and garlic sauté
• Crispy onion rings
• Fresh tomato and cucumber salad

Grilled Flank Steak is proof that simple cooking can still feel special. With its bold flavour, beautiful texture, and endless serving possibilities, it remains a dependable favourite for family meals throughout the year.

Grilled Flank Steak

This grilled flank steak delivers deep flavour thanks to a rich overnight marinade and intense high-heat cooking. A quick sear creates a beautifully caramelised crust while keeping the centre tender and juicy. Thin slices served with your favourite sides make this an easy family meal that feels special every time.

4.87 from 45 votes

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Course: Main Dish

Cuisine: American

Keyword: Beef, Dijon Mustard, Grill, Grilled Flank Steak, Marinade, Spice, Steak

Prep Time: 15 minutes minutes

Cook Time: 10 minutes minutes

Marinating: 8 hours hours

Total Time: 8 hours hours 25 minutes minutes

Servings: 4 Portions

Calories: 501kcal

Equipment

• Large shallow dish or resealable food bag
• Measuring spoons
• Mixing Bowl
• Tongs
• Grill Cast iron skillet
• Meat thermometer optional
• Chopping Board
• Sharp carving knife
• aluminium foil

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Ingredients

 

MetricImperial

• ▢ 1 kg flank steak approximately 800g–1kg
• ▢ 4 tbsp olive oil
• ▢ 3 tbsp soy sauce
• ▢ 2 tbsp Worcestershire sauce
• ▢ 3 cloves garlic crushed
• ▢ 1 tbsp Dijon mustard
• ▢ 1 tbsp brown sugar
• ▢ 1 tsp freshly ground black pepper
• ▢ 1 tsp smoked paprika
• ▢ ½ tsp sea salt

Instructions

• Place the olive oil, soy sauce, Worcestershire sauce, garlic, Dijon mustard, brown sugar, black pepper, smoked paprika and salt into a bowl. Mix thoroughly.
  4 tbsp olive oil, 3 tbsp soy sauce, 2 tbsp Worcestershire sauce, 3 cloves garlic, 1 tbsp Dijon mustard, 1 tbsp brown sugar, 1 tsp freshly ground black pepper, 1 tsp smoked paprika, ½ tsp sea salt
• Lay the flank steak in a shallow dish or resealable bag. Pour the marinade over the steak and ensure every surface is coated.
  1 kg flank steak
• Cover the dish or seal the bag. Refrigerate for at least 4 hours. For the best flavour, marinate overnight.
• Remove the steak from the refrigerator 30 minutes before cooking. This helps it cook more evenly.
• Preheat a grill or cast iron skillet over high heat until very hot.
• Remove the steak from the marinade and allow any excess liquid to drip away.
• Place the steak onto the hot cooking surface.
• Cook for approximately 4 to 6 minutes on the first side.
• Turn the steak and cook for a further 4 to 6 minutes. Adjust the time according to the thickness of the meat and your preferred doneness.
• For medium-rare, aim for an internal temperature of 54°C to 57°C.
• Transfer the steak to a chopping board and loosely cover with foil.
• Allow it to rest for 10 minutes before slicing.
• Using a sharp knife, cut the steak thinly against the grain.
• Serve immediately with your favourite side dishes.

Notes

Always marinate flank steak. The marinade adds flavour and helps tenderise the meat.

Use very high heat when cooking. This creates a rich crust while keeping the inside juicy.

Avoid overcrowding the grill or skillet. The steak should sear rather than steam.

Let the meat come closer to room temperature before cooking for more even results.

Do not repeatedly flip the steak. One turn is usually enough.

Resting the steak is essential. The juices stay in the meat rather than running onto the board.

Slice across the grain. This simple step makes a huge difference to tenderness.

Leftover steak works wonderfully in wraps, sandwiches, salads, and fajitas the next day.

Nutrition

Calories: 501kcal | Carbohydrates: 7g | Protein: 55g | Fat: 27g | Saturated Fat: 7g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 15g | Cholesterol: 150mg | Sodium: 1331mg | Potassium: 986mg | Fiber: 1g | Sugar: 4g | Vitamin A: 259IU | Vitamin C: 2mg | Calcium: 77mg | Iron: 5mg