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    Home » Recipes » Beef » How to Cook London Broil

    How to Cook London Broil

    Published: Sep 19, 2023 Modified: Sep 19, 2023 by Isabel Laessig

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    I’m excited to show you How to Cook London Broil in just minutes after marinating in a flavor-packed blend of sauces and spices that will leave your mouth watering! This is an inexpensive cut of beef the perfect size for a family meal, and it’s so easy to grill to tender perfection.

    grilled london broil with sauce and a knife
    Jump to:
    • What is London Broil?
    • Grilled London Broil Ingredients
    • How to Cook London Broil
    • London Broil Recipes Tips
    • Grilled London Broil Recipes Time
    • London Broil Temperature
    • Grilled London Broil Variations
    • London Broil Recipe FAQs
    • London Broil Cuts
    • What do Serve with London Broil
    • Grilled London Broil Equipment
    • Grilling Recipes
    • 📋 Recipe
    • 💬 Reviews

    What is London Broil?

    London Broil refers to both a technique for cooking beef, and a specific cut of meat. Top-round steak and flank steak are the most common cuts sold under this name because they marinate well.

    The technique involves marinating, grilling, and thinly slicing beef. This makes it a perfect choice for turning an affordable steak into a tender, restaurant-quality meal.

    Grilled London Broil Ingredients

    • London Broil steak 
    • balsamic vinegar
    • soy sauce
    • Worcestershire sauce
    • olive oil
    • lemon juice freshly squeezed
    • garlic powder
    • brown sugar
    • powdered ginger
    • red pepper flakes
    • kosher salt and black pepper to taste
    • fresh parsley (optional)
    Raw london broil ready to be cooked

    How to Cook London Broil

    1. Whisk together soy sauce, balsamic vinegar, powdered ginger, Worcestershire sauce, olive oil, fresh lemon juice, garlic powder, brown sugar, and red pepper flakes to create the London Broil marinade.
    2. Pour the marinade into a zip-lock bag, then add London Broil steak. Shake well and refrigerate to marinate for at least 4 hours up to overnight.
    3. Remove the steak from the bag and set it aside. Keep the marinade! You will use it later to make a sauce. Season steak with salt and pepper to taste on both sides.
    4. Add to the grill at 400°F for 5 to 8 minutes on each side. High heat works well for this recipe. Use a meat thermometer for best results.
    5. Meanwhile, pour steak marinade from the bag into a skillet over medium heat on the stove. Mix and let it simmer and thicken until it forms a sauce.
    6. Remove your steak from the grill, cover it with aluminum foil, and let it rest for 10-15 minutes. After resting, slice thinly and serve with sauce on top.

    London Broil Recipes Tips

    • Always cut against the grain for the most tender slices of beef.
    • Allow your steak to rest for 10 to 15 minutes after you remove it from the grill.

    Grilled London Broil Recipes Time

    Find your ideal London broil internal temperature using our chart. This is for a steak that is 1 to 1½-inches thick.

    • Rare: 5 minutes on each side
    • Medium-rare: 7-8 minutes each side
    • Medium: 10 minutes on each side
    • Well done: 12 minutes on each side

    London Broil Temperature

    The USDA recommends steak the internal temperature should be a minimum of 145°F. I always refer to my steak temperature chart.

    Steak DonenessInternal Temperature
    Rare125°F – bright red in the middle
    Medium-rare135°F – warm red in the middle
    Medium145°F – warm pink at the center
    Medium-well150°F – slightly pink at the center
    Well-done160°F – little to no pink throughout
    Slicing london broil thinly

    Grilled London Broil Variations

    • Use vegetable oil instead of olive oil
    • Freshly minced garlic or garlic paste instead of powder
    • Red wine vinegar rather than balsamic vinegar
    • Honey instead of brown sugar
    • Ground spices instead of ginger – allspice, cinnamon, or nutmeg
    • Feel free to play with fresh herbs in this recipe – basil, oregano, and rosemary. Make it your own recipe with your own substitutions!

    London Broil Recipe FAQs

    How do you cook London Broil so it’s not tough?

    The secret is in the marinade, grilling it properly, and slicing it thinly.By allowing your beef to marinate 4 hours up to overnight, it will soak in all of the delicious flavors of your marinade and be tenderized by the juices.

    Then you take the marinade and turn it into a delicious garlic ginger sauce. It couldn’t be any tastier. Grilling it cooks it to the perfect temperature while giving it the perfect sear, and slicing it thinly against the grain ensures each bite is so tender.

    What is the best temperature to cook London Broil?

    Cook your cut of beef at about 400°F (medium-high) on the grill for 5 to 8 minutes on each side.
    This way you will achieve a perfect sear on your grilled London Broil while cooking it to a beautiful medium-rare on the inside.

    Grill marks on london broil

    London Broil Cuts

    • Flank
    • Top round
    • Flap
    • Skirt

    Budget-friendly steaks are the way to go when grilling a London broil cut. You can use any of the above cuts. Check out all the cuts of beef.

    What do Serve with London Broil

    • Creamy Mashed Potatoes
    • Glazed Carrots
    • Air Fryer Asparagus Fries
    • Cauliflower Salad
    • Instant Pot Mashed Potatoes

    Grilled London Broil Equipment

    • meat thermometer (recommended)
    • tongs
    • cutting board
    • steak carving knife
    Slices of London broil on a plate with sauce

    Grilling Recipes

    • Grilled Beef Tenderloin
    • Grilled Chuck Steak
    • Picanha Steak
    • Grilled Beef Short

    Check out all my favorite Summer Grilling Recipes.

    📋 Recipe

    Grilled london broil sliced with marinade

    How to Cook London Broil

    Isabel Laessig
    Our Grilled London Broil recipe cooks in just minutes after marinating in a flavor-packed blend of sauces and spices that will leave your mouth watering!
    4.84 from 24 votes
    Print Recipe Pin Recipe
    Prep Time 5 minutes mins
    Cook Time 20 minutes mins
    Marinating time 4 hours hrs
    Total Time 4 hours hrs 25 minutes mins
    Course Main Course
    Cuisine American
    Servings 4
    Calories 423 kcal

    Equipment

    • Grill

    Ingredients
      

    • 2 lb. London Broil steak to 2½ lbs.
    • 2 Tbsp. balsamic vinegar
    • ½ cup soy sauce
    • 2 Tbsp. Worcestershire sauce
    • 2 Tbsp. olive oil
    • 1 Tbsp. lemon juice freshly squeezed
    • 1 tsp. garlic powder
    • 2 Tbsp. brown sugar
    • ½ tsp. powdered ginger
    • ¼ tsp. red pepper flakes
    • salt and pepper to taste
    Cooking Conversions

    See our Cooking Conversions Chart for help converting measurements!

    Instructions
     

    • Whisk together soy sauce, balsamic vinegar, powdered ginger, Worcestershire sauce, olive oil, fresh lemon juice, garlic powder, brown sugar, and red pepper flakes to create the London Broil marinade.
      Mixing marinade for london broil
    • Pour the marinade into a zip-lock bag, then add London Broil steak. Shake well and refrigerate to marinate for at least 4 hours up to overnight.
      Placing marinade and london broil in a zip-lock bag
    • Remove the steak from the bag and set aside. Keep the marinade! You will use it later to make a sauce. Season steak with salt and pepper to taste on both sides.
      Cut of london broil on a cutting board
    • Add to the grill at 400°F for 5 to 8 minutes on each side. Use a meat thermometer for best results.
      Grill marks on london broil
    • Meanwhile, pour steak marinade from the bag into a skillet over medium heat on the stove. Bring to a boil and boil for 5 minutes, then let it start to simmer and thicken until it forms a sauce.
      Making steak marinade into a sauce
    • Remove your steak from the grill and let it rest 10-15 minutes. After resting, slice thinly and serve with sauce on top.
      Slicing london broil thinly

    Video

    Notes

    • Always cut against the grain for the most tender slices of beef.
    • Allow your steak to rest for 10 to 15 minutes after you remove it from the grill.

    Nutrition

    Calories: 423kcalCarbohydrates: 13gProtein: 56gFat: 15gSaturated Fat: 4gCholesterol: 138mgSodium: 1847mgPotassium: 1017mgFiber: 1gSugar: 10gVitamin A: 98IUVitamin C: 2mgCalcium: 75mgIron: 6mg
    Keyword grilled london broil, how to cook london broil, london broil, london broil recipes
    Did you try this recipe?Tag #SundaySupper on social and leave a comment below!

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    Isabel, AKA Family Foodie

    About Isabel Laessig

    Hi! I’m Isabel Laessig, also known as Family Foodie, creator of Sunday Supper Movement and author of the Boujee Steak Cookbook. Sunday Supper is my mission to bring family back around the dinner table. Join me in making family meal-time a tradition to celebrate!

    » About Me

    Reader Interactions

    Comments

    1. William says

      May 01, 2023 at 7:11 pm

      5 stars
      Really good marinade and sauce afterwards. Unfortunately the cut of meat I used didn’t get very tender from the overnight marinade but I’ll try again.

      Reply
      • Isabel Laessig says

        May 03, 2023 at 4:15 pm

        Hi William! I am so happy to hear you enjoyed the marinade and sauce!

        Reply
    2. Pat D. says

      July 28, 2023 at 3:49 pm

      5 stars
      This marinade is delicious! I marinated the London Broil over night. The only thing I added was a sprig of fresh rosemary. Our card club devoured it!

      Reply
      • Isabel Laessig says

        August 14, 2023 at 11:59 am

        That’s awesome to hear, Pat. Thank you so much for your comment and review! Glad everyone loved it!

        Reply

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