Marinated London Broil with Cilantro Gremolata

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This recipe for marinated London broil has a simple marinade that is ridiculously full of flavor. The cilantro gremolata adds the perfect touch to the recipe, and the whole thing comes together for a fantastic meal.

Sliced London broil lined up on a wooden cutting board topped with cilantro gremolata with text overlay - London Broil with Cilantro Gremolata.

London Broil

Every once in a while, I talk myself into stepping away from my BBQ game to get some needed R&R. I take off on vacation with grandiose plans of taking long naps and laying by the pool. That lasts about a day, then my crazy mind gets the best of me. Next thing I know I’m daydreaming of food, flavors, and ingredients, and before I know It, I’m at the grocery store buying stuff for this marinated London broil.

This recipe was born on a girl’s trip (bless my friends who accept me for who I am and who willingly offer themselves up as taste testers). Everybody threw out suggestions for ingredients, a few wanted to help, and everybody wanted to eat. The result was a ridiculously delicious dinner that everyone loved.

Oh, and a little side note: London Broil isn’t actually a cut of meat, it is a style of cooking. London broil is made by marinating beef then broiling or grilling it and serving it sliced thin against the grain. The cuts we most commonly see labeled as “London Broil” in America are a top round steak or roast.

London broil in a citrus marinade.

Citrus Marinade for London Broil

This London broil is bright and flavorful, but not too heavy, thanks in part to the awesome marinade. The citrus marinade adds an incredibly fresh flavor and light.

Here’s what you’ll need for this marinade:

  • 1/2 cup olive oil
  • zest of 1 lemon
  • zest of 1 lime
  • 1 Tablespoon lemon juice
  • 2 teaspoons lime juice
  • 2 cloves minced garlic
  • 1 teaspoon hot sauce
  • 2 teaspoons salt
  • 1 teaspoon black pepper

This marinade would also be killer on chicken or shrimp, it’s really flavorful and versatile. No matter what you use this marinade on, just make sure you don’t marinate your meat for more than an hour or two. The acid from the citrus can actually start to cook your meat and the texture is less than pleasant.

Cilantro gremolata in a small glass mason jar with sliced lemons in the baground.

How to Cook London Broil

London broil is extremely easy to cook. I prefer to cook mine on a nice, hot gas grill until medium rare (Between 130-140 degrees F). You can serve the sliced London broil as an entree by itself, as it stands alone beautifully. Cook up some veggies and rolls, and you’ve got a whole meal ready to enjoy.

If you’re looking for other ways to enjoy this meat, London broil is absolutely amazing on a salad, in a steak sandwich, or with steak and eggs the next morning. I never hesitate to buy the meat in bulk, double the recipe and save the leftovers for some amazing meals through the following week! You definitely get a lot of tasty meals by cooking extra and using the meat in various ways.

Sliced London broil on a wooden cutting board topped with cilantro gremolata.

London Broil with Gremolata

Once the steak is grilled to perfection, it is topped with a bright, herbaceous gremolata (think of it as a savory condiment). Lemon, cilantro, and peppers come together in this wildly flavorful topping that livens up the rich steak. Cilantro gremolata is also awesome on grilled veggies or in a grilled cheese sandwich! Bonus? There are very few ingredients, and it is wildly easy to make.

Most recipes for gremolata call for green chilis, but I forgot to put those on my shopping list, so I improvised a bit with this recipe. Bell peppers were readily available in my fridge, and these added a great flavor.

Before you toss the steak on the grill, roast the bell pepper (yellow, red, or orange, any will do) over high heat until the skin blackens and blisters. Next, place the roasted bell pepper in a zip-top bag until it is cool enough to handle. Peel off the charred skin, cut out the seeds and stem, and then dice.

Once you have delicious roasted peppers diced, mix them up with fresh cilantro, lemon zest, and lemon juice. That’s it!

This gremolata has a ton of synergy happening. Each part on its own is delicious, but when all of the ingredients are finely chopped and mixed together, it becomes something otherworldly. Spoon it on top of the citrus-marinated London broil, and you’ve got a match made in food heaven.

More Marinated Steak Recipes

Looking for more delicious marinated steaks? Check out a few of our favorites from Hey Grill Hey below!

Citrus Marinated London Broil with Cilantro Gremolata Recipe

This London broil makes for an amazing spring or summer meal. It’s easy to make and ready in a jiff, so you can enjoy a delicious meal any time of the week!

Did you make this recipe? If so, I’d love to hear about it! Make sure to leave me a comment below!

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Citrus Marinated London Broil with Cilantro Gremolata

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This recipe for marinated London broil has a simple marinade that is ridiculously full of flavor. The cilantro gremolata adds the perfect touch to the recipe, and the whole thing comes together for a fantastic meal.
Prep Time15 minutes
Cook Time15 minutes
Marinade Time1 hour
Total Time1 hour 30 minutes
Servings4 people


  • 1 2-3 pound London broil

London Broil Marinade

  • ½ cup olive oil
  • zest of 1 lemon
  • zest of 1 lime
  • 2 cloves garlic minced
  • 1 Tablespoon lemon juice (bout 1 whole lemon
  • 2 teaspoons lime juice about 1 whole lime
  • 2 teaspoons salt
  • 1 teaspoon hot sauce chipotle pepper base preferred
  • 1 teaspoon black pepper

Cilantro Gremolata

  • 1 yellow, red, or orange bell pepper roasted, skin removed, de-seeded, and finely minced
  • 1 Tablespoon lemon juice
  • zest of 1 lemon
  • 1 bunch cilantro leaves finely minced


  • Marinade the London broil. Combine all of the ingredients for the marinade in a gallon zip top bag and add the London broil. Remove the steak from the fridge and allow to come to room temperature a half an hour before you're ready to grill.
  • Preheat the grill. Prepare your grill for high direct heat (about 450 degrees F) and allow it to preheat so the grill grates are nice and hot.
  • Make the cilantro gremolata. While the grill is preheating, combine all of the ingredients for the gremolata in a small bowl. Set aside.
  • Grill the London Broil. Remove the London broil from the marinade and shake off any excess. Place the steak directly on the grill grates. Allow the steak to cook for 6-12 minutes per side, or until the meat reaches your desired doneness (120 degrees F for rare, 130 for medium rare, 140 for medium, 150 for medium-well, and 160 for well done).
  • Rest, slice, and serve. Remove the London broil to a large cutting board and allow to rest for at least 10 minutes before slicing thinly, against the grain. Top with the cilantro gremolata and serve!


Calories: 527kcal | Carbohydrates: 3g | Protein: 92g | Fat: 14g | Saturated Fat: 5g | Cholesterol: 242mg | Sodium: 283mg | Potassium: 1575mg | Fiber: 1g | Sugar: 1g | Vitamin A: 1071IU | Vitamin C: 43mg | Calcium: 96mg | Iron: 8mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Like this? Leave a comment below!

**This post was originally published in June 2015. We recently updated it with more information and helpful tips. The recipe remains the same.

Vertical image with two different pictures. Top image is of marinated London broil on a grill next to lemons, bottom image is of sliced London broil on a yellow plate and topped with cilantro gremolata.Red, yellow, and orange bell peppers roasting on a charcoal grill.Close up spoonful of cilantro gremolata.Overhead view of sliced London broil on a yellow plate. Meat is topped with cilantro gremolata.Sliced London broil on a yellow plate and topped with cilantro gremolata.



Susie is the BBQ Brain behind the Hey Grill Hey website. Her passion for smoked meats and developing fun, new recipes have landed her on the Food Network, cooking turkeys with Shaq, and on a couple of Guinness World Records. When she’s not grilling, she is hanging out with Todd and their three kids, preferably outdoors!

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