Best London Broil Marinade {Oven or Grill}

This is simply the best London Broil marinade ever! It’s a bold claim, but we used it at our Make Ahead Meal Kitchen thousands of times to prepare tender and juicy steak that could be cooked in the oven, on the grill or prepped and stored in the freezer until cook time.

Sliced pieces of steak on cutting board using The Best London Broil Marinade

This classic recipe is perfect for weekly dinner meal planners. Make it for dinner one night and prep a second meal for the freezer. Then, plan for leftovers so you can make easy fajitas or top Massaged Kale Salad the next night.

This guide is packed with tips and tricks to make outstanding steak using the Best London Broil Marinade every single time!

What is London Broil?

This question came up A LOT at our store! London Broil is not a cut of meat. It’s the name for preparing a cut of beef.

London broil is meat that is marinated, cooked and thinly sliced. In the grocery store, buy top round steak or flank steak to make this recipe. Common Cuts of Beef by Real Simple provides overviews of the various cuts.

Slices of best london broil on serving platter with fok

How do you tenderize London Broil?

Tenderizing helps break down tough muscle fibers in beef. Top round steak and flank steak need this because they are lean cuts of meats…as in not much fat. To avoid steak that is tough and chewy, tenderize it!

Here are some easy steps to tenderize London Broil:

  1. Use a fork to poke holes in the meat. (Or pound it with a mallet, which is preferable if the meat is uneven in thickness.)
  2. Marinate meat with a recipe that includes an acidic ingredient, like red wine vinegar and lemon juice (like this recipe!.)
  3. Cut the meat across the grain before serving. Tips below.
  4. Don’t overcook it! Check out the suggested times and temps below.

Ingredients in the Best London Broil Marinade

This marinade yields about 1 cup of marinade, which is perfect for 2 pounds of meat. Double or Triple it as necessary.

  • Canola oil
  • Soy sauce – or use Coconut Aminos for a soy-free marinade
  • Red wine vinegar
  • Lemon juice
  • Worcestershire sauce – for a soy-free marinade leave this out
  • Ground mustard
  • Pepper
  • Garlic

Mix it up in advance and store it in the refrigerator. It will keep for about week in a glass jar.

Best London Broil Marinade

How long do you have to marinate London Broil?

We recommend marinating beef for a minimum of 2 hours in the refrigerator. 4 hours is better and overnight will allow all the flavor to sink in.

The easiest way to marinate beef is to place it in a resealable plastic bag with the marinade so it can be easily turned every so often. Otherwise, place the meat flat in a glass baking dish.

If using the plastic bag method, place the first plastic bag in another plastic bag or a baking dish to contain any leaks that may happen!

Safety Tip: Always marinate meat in the refrigerator and not on the counter!

However, it is a good idea to allow the London Broil to come to room temperature (it takes about an hour) before you begin cooking it.

How do you cook London Broil Steak in the oven?

The length of time it takes to broil London Broil in the oven will vary depending upon the thickness of the meat. Generally, top round steaks are about 1 inch in thickness. Flank steaks are thinner. It also depends on how you enjoy your steak.

Remove meat from bag and discard the excess marinade. It can’t be reused.

Move the cooking rack within 3 to 4 inches of the heating element. Place meat on a broiler pan (sprayed with non-stick cooking spray) and cook for 14 – 20 minutes, flipping halfway through.

If you’re not used to cooking beef in the oven, then flip at 7 minutes and check for doneness at 14 minutes and go from there.

Per the USDA’s Safe Minimum Internal Temperature Chart, beef should always be cooked to an internal temperature of 145 °F.

However, here are internal temperatures for London Broil with a pinker center.

  • Medium-rare meat about 135 °F
  • Rare meat about 125 °F.

Use a meat thermometer to get things just the way you like them.

If you would prefer baking London Broil in a 350 degree Fahrenheit oven, then be sure to use a recipe that involves liquid and other wet ingredients so it doesn’t dry out.

2 slices of medium rare London Broil on plate next to green beans

How to Cut London Broil across the Grain

Tip: Allow meat to rest for 5 minutes before cutting. This allows the juices to seep back into the meat. The Spruce Eats provides a scientific explanation in the Secret to a Juicy Steak is Letting it Rest.

When you’re ready to cut the meat, go against the grain or the meat will be stringy and each bite will be chewy because you have to soften the meat.

The muscle fibers go in one direction. Slice the meat in the opposite direction. In the picture below, the muscle fibers ran left to right, so we cut the meat the other way.

Slices of best London Broil recipe cut across the grain on cutting board

How do you grill London Broil?

To grill London Broil, discard the marinade and place meat on an oiled grate. Cook for 14 – 20 minutes using the temperature guidelines and cutting techniques described above.

How to freeze the Best London Broil Marinade

It is totally and completely possible to freeze top round steak or flank steak in the Best London Broil Marinade. Simply prepare the recipe up to the point where you would put it in the refrigerator to marinate. It’s best to use a resealable plastic bag for freezing.

Seal the bag, removing as much excess air as possible. Label and place in the freezer for up to 2 months.

Remove the bag to the refrigerator and allow it to defrost overnight when you are ready to enjoy it.

The London Broil will begin marinating as it begins to freeze…and will marinate some more as it defrosts.

London Broil Marinating in a plastic bag

What to serve with London Broil Steak?

London Broil is weeknight dinner friendly and can be prettied up for special occasions like Valentine’s Day, New Year’s or an Anniversary.

Our favorite topping ideas for the best London Broil:

Best London Broil with Blue Cheese Sauce on plate

Creamy Horseradish Sauce by a Family Feast or some of these steak topping ideas by A Spicy Perspective all sound fantastic!

Add a few simple sides, like green beans and a salad and dinner is done!

Please rate this recipe and tag @DinnerMom or #DinnerMom on social media. We love to see what you are cooking up!

Sliced pieces of steak on cutting board using The Best London Broil Marinade
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5 from 2 votes

Best London Broil Marinade Recipe

The best London Broil marinade was used in our Make Ahead Meal Kitchen thousands of times! Use it to make perfect top round steak in the oven or on the grill every single time!  
Prep Time5 mins
Cook Time15 mins
Marinate2 hrs
Total Time20 mins
Course: Main Course
Cuisine: American
Servings: 6 servings
Calories: 296kcal
Author: Marjory

Ingredients

  • 1/2 cup canola oil
  • 1/4 cup soy sauce
  • 2 Tablespoons lemon juice
  • 2 Tablespoons red wine vinegar
  • 2 Tablespoons Worcestershire sauce
  • 1 Tablespoon ground mustard
  • 1 teaspoon pepper
  • 2 garlic cloves minced
  • 2 pounds top round steak or flank steak

Instructions

  • Combine marinade ingredients in a ziplock bag or small bowl.
  • Add beef and marinate for at least 2 hours and up to 24 hours, preferably flipping bag several times.
  • Remove beef from bag and discard excess marinade.
  • Set oven to broil and place oven rack 3-4 inches from heating element.
  • Place beef on broiler pan and cook for about 7-10 minutes on each side or until meat is desired doneness.
  • Allow meat to rest for about 5 minutes before thinly slicing meat across the grain.

Notes

Note: Nutritional estimate assumes 1/2 of the marinade is discarded and not consumed.

Nutrition

Calories: 296kcal | Carbohydrates: 2g | Protein: 36g | Fat: 14g | Saturated Fat: 2g | Cholesterol: 92mg | Sodium: 692mg | Potassium: 638mg | Vitamin C: 3.2% | Calcium: 4.4% | Iron: 20.3%

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The best London Broil marinade was used in our Make Ahead Meal Kitchen thousands of times!  Follow our tips to perfectly cook it in the oven or on the grill every single time. #londonbroil #marinade

Comments

  1. We love london broil and this recipe was amazing! So much flavor!

  2. Nellie Tracy says:

    I’ve never tried London Broil, but this recipe looks absolutely amazing! I can’t wait to try it!

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