Grilling London broil can elevate your outdoor cooking game, providing delicious, flavorful results that will impress your family and friends. This cut of meat, often taken from the flank or top round, is not only affordable but also ideal for marinating and grilling. Knowing how long to grill London broil is essential for achieving that perfect balance of tenderness and flavor, but there are additional factors to consider.
When prepared correctly, London broil can be incredibly tender and succulent. This article will delve into important techniques, timing, and tips to help you achieve a restaurant-quality meal right in your backyard. Follow our guide, and you’ll be grilling the perfect London broil in no time.
Whether you’re a seasoned griller or a complete novice, understanding the nuances of grilling this meat will enhance your culinary skills. Read on to discover how to grill London broil effectively, ensuring delicious, mouthwatering results.
Understanding London Broil
Before we dive into grilling techniques and timing, it’s crucial to understand what London broil is. Typically, London broil refers to a cooking method applied to specific cuts of meat, rather than a specific cut itself. The most common cuts are flank steak or top round, which are great for marinating.
The key to achieving tender and flavorful London broil lies in both the marinade and cooking method. These cuts can be tough, but when marinated and cooked correctly, they become melt-in-your-mouth delicious. This preparation is essential for a successful grilling experience.
Preparing the Meat: Marination and Seasoning
Before grilling, marination is one of the most important steps. A good marinade helps tenderize the meat while adding flavor. Here’s how to prepare your London broil:
Choosing the Right Marinade
Selecting a marinade that includes an acidic component—like vinegar, citrus juice, or yogurt—is essential for tenderizing the meat. Incorporate seasonings such as garlic, herbs, and spices for extra flavor. Allow the meat to marinate for at least 4 hours, preferably overnight, for best results.
Dry Rubs as an Alternative
If you prefer not to marinate, you can use a dry rub. A mix of salt, pepper, garlic powder, onion powder, and your choice of herbs will add great flavor. Let the dry rub sit on the meat for about 30 minutes to allow the flavors to penetrate the meat.
Meat Preparation
Before grilling, it’s essential to bring the meat to room temperature. This ensures even cooking. Remove the London broil from the refrigerator about 30 minutes before grilling. Pat it dry with paper towels to ensure a good sear.
Grilling Techniques to Master
Now that your London broil is marinated or seasoned, it’s time to focus on the grilling techniques. The method you choose can significantly affect the outcome.
Using a Gas Grill
For a gas grill, preheat your grill to medium-high heat, approximately 450°F to 500°F. Sear the London broil on each side for about 4–5 minutes, then reduce the heat to medium and continue grilling until the internal temperature reaches your desired doneness.
Charcoal Grilling
If you’re using a charcoal grill, set up a two-zone fire. The direct heat side should be very hot, while the other side remains cooler. Sear your London broil on the hot side first, then transfer it to the cooler side to finish cooking to the appropriate temperature.
Pellet Grills and Smokers
Pleasantly smoky flavors can add a new dimension to your London broil. Preheat the pellet grill to around 225°F to 250°F and cook until it reaches the desired internal temperature. This method may take a bit longer but will give you an unbelievably rich flavor.
Time to Grill: How Long to Grill London Broil
Timing is critical when grilling London broil. The thickness of the meat and desired doneness will determine the cooking time. Here’s a simple guide:
| Doneness | Internal Temperature | Grilling Time |
|---|---|---|
| Rare | 120°F (49°C) | 8–10 minutes |
| Medium Rare | 130°F (54°C) | 10–12 minutes |
| Medium | 140°F (60°C) | 12–14 minutes |
The above times are based on cooking the meat directly over medium-high heat. Always use an instant-read meat thermometer to verify doneness before removing the meat from the grill.
Resting the Meat
Once your London broil has reached the desired temperature, it’s crucial to let it rest for about 10–15 minutes. Resting allows the juices to redistribute throughout the meat, resulting in a much juicier and more flavorful final product.
Slicing for Success
After your London broil has rested, slicing it properly is equally important. Always cut against the grain to ensure tenderness. Look for the direction of the muscle fibers and slice across them. This technique will provide a more enjoyable eating experience.
Flavor Pairings and Side Dishes
Seeking the perfect side dishes can elevate your grilled London broil meal. Pair it with sides that complement its robust flavor profile. Here are some suggestions:
Classic Sides
- Grilled vegetables
- Garlic mashed potatoes
- Coleslaw
Fresh Salads
- Cucumber and tomato salad
- Mixed green salad with vinaigrette
- Caesar salad
Starches
- Rice pilaf
- Quinoa salad
- Garlic bread
These sides not only enhance the flavor of the London broil but also provide a variety of textures and tastes that will appeal to any palate.
Common Mistakes to Avoid When Grilling London Broil
To help you achieve the best results, be aware of some common pitfalls that many encounter while grilling London broil.
Over-Marinating
Marinating for too long can lead to mushy meat. Stick to the recommended marination times for the best texture.
Skipping the Thermometer
Always use a meat thermometer. Relying solely on cooking time can be misleading; factors like grill temperature and meat thickness can vary.
Insufficient Resting Time
Don’t skip resting the meat. Cutting into it too soon will result in lost juices and dry meat.
Conclusion
Cooking the perfect London broil takes practice, but with the right techniques, timings, and attention to detail, you can achieve excellent results. From selecting the right cut and marinating it to mastering the grill’s temperature and slicing it properly, you have all the tools you need to impress your guests. Embrace these steps, and soon you’ll become a grilling master, delighting friends and family with your delicious London broil.
FAQs
How long does it take to grill London broil on a gas grill?
On a gas grill, it typically takes about 10 to 14 minutes to grill a London broil, depending on the desired doneness and the thickness of the meat.
Should I marinate London broil overnight?
Marinating London broil overnight is ideal for maximizing tenderness and flavor. However, a minimum of 4 hours will also yield good results.
Can I cook London broil to medium-well doneness?
Absolutely! If you prefer medium-well, grill the London broil until it reaches an internal temperature of 150°F, which usually takes around 14–16 minutes on the grill.
What is the best way to store leftover London broil?
Store any leftovers in an airtight container in the refrigerator for up to 3 days. For longer storage, consider freezing it wrapped tightly to prevent freezer burn.

I’m Hadiya, A housewife with a big love for cooking and everything related to food. For me, the kitchen has always been more than just a place to cook. It is not just a habit for me, it’s a part of who I am. My kitchen is my happy place, where I put love, care, and memories into every dish I make. I learned cooking from my family and through years of trying, failing, and improving with patience. Making food for my loved ones gives me peace and happiness.
