How to Barbecue London Broil

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London Broil is a great cut of meat to serve at your barbecue whether you are having a large gathering or just a family dinner. Knowing how to barbecue London Broil steak correctly will give you a delicious and impressive meal. London Broil is inexpensive, cooks so quickly, and it is a steak. Your guests will be wowed.

Knowing how to BBQ London Broil will raise your grilling status. Here’s everything you need to know about how to BBQ a to mouth-watering London Broil to perfection!

What is London Broil?

It might surprise you to know that London Broil is the method of cooking the steak rather than the cut of meat. London Broil was originally flank steak that was marinated and cooked in a particular way. It is now considered a type of beef that is tough and lean.

Top round steak and flank steak are often labeled as “London Broil.” These cuts of meat need to be marinated or tenderized to add flavor to the meat. So, the grocery store will label the meat as “London Broil.”

However, the cooking method is the important part here.

what is London broil?

The method of cooking has evolved through the years. Broiling the meat in the oven over high heat was the original method of cooking this cut of meat. Hence the “Broil” portion of the name. Today, London Broil is usually grilled outside over a flame set to high.

London Broil is the process of marinating the meat to give it flavor. Then, the meat is cooked quickly at a high heat. Quickly searing the outside of the steak leaves the meat tender and juicy in the middle.

Why choose London Broil?

The top reason for choosing London Broil is the cost of the meat. London Broil is a less expensive cut of steak. Don’t let the idea that this steak is inexpensive turn you away. Once marinated and seared, this steak is delicious.

Another great thing about London Broil is that you get to choose the flavor of the meat. The lean cut demands that you give it a flavor. Use this to your advantage. London Broil can be spicy or sweet depending on the type of marinade you choose. The marinade is so simple to throw in a bag with the London Broil. Then, put yourself to bed for a great night sleep while the marinade does all the work. The juicy, flavorful meat will taste like you spent hours in preparation. The brilliant part is that you spent a couple of minutes here and there getting the meat ready.

London Broil is also a great piece of meat because it can be cooked quickly and easily. Five minutes on each side and the meat is done. You will spend more time waiting for the meat to marinate than it takes to actually cook the London Broil.

How to Marinade London Broil?

Understanding how to BBQ London Broil steak begins with the marinade. London Broil is known for its toughness. The ingredients you use in the marinade are the key to tenderizing the London Broil. The marinade must be acidic to break down the fibers of the meat. And marinade can add spice, sweetness and flavor to the lean London Broil steak.

Once you have mixed your marinade concoction, the London Broil needs to marinate in an air-tight container for at least 6 hours. The night before you plan to grill the London Broil, prepare the marinade. Then, put the meat in the marinade overnight. Remember to put the marinating meat in the refrigerator. The next day, it will be simple to grab the meat out of the refrigerator to begin cooking. The longer the meat marinates, the better!

How to Grill Marinated London Broil?

London Broil is meant to be flash grilled to produce a nice sear on the outside. Let’s look at how to barbecue London Broil steak. The best way to cook London Broil is on the grill. The flames will add taste and texture to your steak. Turn your grill to high and let it pre-heat.

Take the meat out of the marinade and put it directly on the grill. Cook the meat on each side for 4-5 minutes. The outside of the London Broil will be a delicious golden brown. You can baste the meat with the leftover marinade while it is cooking. Remember to check the temperature of the meat with a meat thermometer. The ThermoPro Meat Thermometer will give you an instant read to give you confidence that your meat is done. It will also help you make sure you aren’t overcooking the meat.

how to check london broil doneness

London Broil can also be broiled in the oven. Just be sure your oven is turned to high broil. Then, broil your meat on each side for 6 minutes.

Once you have cooked the London Broil on both sides, take the meat off the grill or out of the oven. Place the meat on a plate and let it rest for 10 minutes. Letting the meat rest will re-distribute the juices throughout the meat.

Slice the London Broil against the grain. Simply cutting the meat diagonally will give you the thin, juicy cut that you desire.

Grilling London Broil Time and Temperature

Knowing how to BBQ your London Broil to the perfect temperature is important. London Broil is a lean piece of meat and it can quickly overcook. An overcooked piece of London Broil will be tough. Medium rare is the best way to cook London Broil. Grilling the meat for 4-5 minutes on each side should produce a medium rare steak.

how to grill London Broil?

To ensure that your London Broil is medium rare, it is wise to use a meat thermometer. The correct temperature for medium rare is 135 degrees Fahrenheit. You will want to avoid overcooking your London Broil at all costs. Use a good meat thermometer like the ThermoPro Meat Thermometer to make sure that you reach the optimal temperature of 135 degrees Fahrenheit. As soon as the London Broil reaches this temperature, you will want to immediately get the meat away from the heat and let it rest.

The Recipe for How to Barbecue London Broil Steak:

  • 2 lbs. London Broil (Flank Steak or Top Round Steak)
  • 2 TBSP Balsamic Vinegar
  • 1 TBSP Soy Sauce
  • 1 TBSP Olive Oil
  • 1 TBSP Lemon Juice
  • 5 Garlic Cloves, Minced
  • 1 TBSP Honey
  • 1 TSP Salt
  • ½ TSP Pepper
  1. Mix together all the ingredients, except for the meat. This is your marinade.
  2. Pour the marinade into a gallon-size plastic storage bag.
  3. Gently pound the London Broil with a meat mallet. This will tenderize the meat. Do not flatten the meat. Don’t put a lot of effort behind your swings. Simply let the mallet fall onto each part of the meat.
  4. Place the meat in the plastic bag with the marinade. Let the London Broil swim in the marinade for at least 6 hours in the refrigerator. You can marinade your meat for up to 24 hours.
  5. When you are ready to grill the London Broil, heat your grill to high.
  6. Once the grill is preheated, put the meat on the grill.
  7. Cook the London Broil on each side for 4-5 minutes only.
  8. Check the temperature of the meat to ensure it has reached 135 degrees Fahrenheit.
  9. Place the meat on a plate and cover it loosely with aluminum foil for 10 minutes.
  10. Cut the meat into thin slices, against the grain.
  11. Enjoy your London Broil.

Your guests, your family, and your budget will be happy with this meal. Add to your grilling repertoire by knowing how to BBQ London Broil steak. You don’t want to overcook this piece of meat. Take the guesswork out of cooking, and make your job easier by using the ThermoPro Meat Thermometer. You have already invested time in making your own marinade. Then, you waited for the meat to marinate for several hours. Make sure that you cook this meat to perfection by checking the temperature. The ThermoPro Meat Thermometer will tell you exactly when your London broil has reached medium rare. The ThermoPro Meat Thermometer is an investment that will assist you in all your grilling endeavors.

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