Grilled London Broil is one of those delicious summer dishes that comes out perfect every time. It is literally a summer must have!
The marinade features ingredients like soy sauce, Worcestershire sauce, and brown sugar, imbues the meat with a savory and slightly sweet taste profile.
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Why this Grilled London Broil Recipe is a Keeper
First, we start off with a very economical and underrated piece of beef, the Flank Steak or top round steak. Then, we place it in a mouthwatering marinade and next, we grill it to perfection. It is truly an exceptional meal.
- 5 Minute Prep: This easy marinade is perfect for the grill and only takes minutes to make. Marinade for at least 4 hours for best results before cook London broil.
- Easy Ingredients: It has so much more flavor than simple bbq sauce.
- Family Friendly: Who doesn’t like London broil on the grill?
- Adaptable: Can make the marinade for chicken or pork too. It is just not a marinade for a steak.
If you’re looking for more barbecue recipes, try these BBQ Chicken Sliders, Grilled Steak Kabobs and Sweet Grilled Corn Salad.
How do you grill the perfect steak?
Do not skip the marinade for flavorful beef. Always season the meat. Do not poke the Steak According to a Professional Chef with a fork when you are flipping it. Keep all the juices inside the meat.
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Ingredient Notes for Good Marinade
It is important to season the london broil and make sure that the grill is up to temp before cooking the meat. The best grilled London broil every time!
- Marinade Ingredients: Vegetable oil, Balsamic vinegar, Lemon juice, Dijon mustard
- London Broil or top round roast: You can learn more about sustainability in the beef industry here.
See the recipe card below for a complete list of the ingredients with measurements.
Variations and Substitutions for Top Round Roast
No need to follow the recipe exactly. You can use other ingredients.
- Vinegar: You can use red wine vinegar in place of the balsamic vinegar.
Special Equipment Needed for this Grilling Recipe
Equipment can have a big impact on how a recipe turns out. You do not need to make the london broil recipe on big green egg to have a tender steak.
- Barbecue Grill: You will want to use a high heat to cook the grilled marinated london broil. It is important to prepare your grill first but use any grill you want.
- Meat Thermometer: It is important to get the right temperature.
Pro Tip
Marinating at room temperature. Not only does marinating at room temperature shorten the marination time, bringing the meat to room temperature before grilling helps to cook it more evenly.
How to Make Marinate for London Broil
These are the basic steps on how to grill London broil. Refer to the full, printable recipe card below for detailed instructions to make London broil on grill.
1. Marinade for London Broil
In a large zipper bag add the vegetable oil, balsamic vinegar, lemon juice, dijon mustard, Worcestershire sauce, soy sauce, Italian seasoning blend and crushed red pepper. Smoosh the mixture until it’s combined.
2. Place Steak in London Broil Marinade
Add beef to the bag and smoosh it around until it’s fully coated. Refrigerate for 12-24 hours.
3. Grill for 9 Minutes Each Side and Remove the Steak
Preheat grill to medium high heat. Remove beef from the marinade and place on preheated grill. Discard marinade. Grill for 9-10 minutes then flip the beef. Grill for another 9-10 minutes or until beef is desired temperature. Place London Broil on a platter.
4. For Tender London Broil – Let it Rest
Let London Broil rest for 5 minutes before slicing against the grain.
Tender and Flavorful Steak Recipe FAQs
Expert Tips for Making This Specific Cut of Meat
If you follow this recipe you will get a tender and juicy medium rare steak. Remove steak from the grill and let it rest for best results.
- Easy to Cook: You want to pull the meat when it hits 110 internal. Once the London Broil hits 110 internal, it’s time to sear it. To seal in the juices.
- Garlic: I love to add a little minced garlic to the marinade to change up the flavor!
- It is Better with Butter: After you have cut your grilled London broil steak, finish it off with a little compound butter!
What to Serve with London Broil
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Grilled London Broil
Equipment
Ingredients
- ⅔ cup Vegetable oil
- ¼ cup Balsamic vinegar
- ¼ cup Lemon juice
- 3 tablespoons Dijon mustard
- 1 ½ tablespoon Worcestershire sauce
- 1 tablespoon Soy sauce
- 1 tablespoon Italian seasoning blend
- ½ teaspoon Crushed red pepper
- 2 pound London Broil or top round roast
Instructions
- In a large zipper bag add the vegetable oil, balsamic vinegar, lemon juice, dijon mustard, Worcestershire sauce, soy sauce, Italian seasoning blend and crushed red pepper.
- Smoosh the mixture until it’s combined.
- Add beef to the bag and smoosh it around until it’s fully coated.
- Refrigerate for 12-24 hours.
- Preheat grill to medium high heat.
- Remove beef from the marinade and place on preheated grill. Discard marinade.
- Grill for 9-10 minutes then flip the beef.
- Grill for another 9-10 minutes or until beef is desired temperature.
- Let London Broil rest for 5 minutes before slicing against the grain.
Expert Tips
- Easy to Cook: You want to pull the meat when it hits 110 internal. Once the London Broil hits 110 internal, it’s time to sear it. To seal in the juices.
- Garlic: I love to add a little minced garlic to the marinade to change up the flavor!
- It is Better with Butter: After you have cut your grilled London broil steak, finish it off with a little compound butter!