Best London Broil In The Oven - The Dinner-Mom

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By Marjory Pilley Updated May 19, 2021 · Published Nov 8, 2018 ↓ Jump to Recipe 2588 shares

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Learn how to make the best London Broil in the oven! It's a bold claim, but thousands of customers used these directions, tips, and the marinade at our Make-Ahead Meal Kitchens to prepare tender and juicy steak.

This classic recipe is perfect for weekly dinner planning. 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 steak salad the next night.

This guide is packed with tips and marinade ideas to make outstanding top sirloin steak or london broil every single time!

Jump to:

What is London Broil?
How to Tenderize Beef
Marinade Ingredients
How Long to Marinate
How to Cook in the Oven
How to Cook Steak in the Oven at 350 °F
Cut Against the Grain
How to Grill
Freezer Guide
Serving Ideas
More Beef Recipes
📋 Recipe

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.

Slices of london broil on serving platter with fork.

How to Tenderize Beef

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:

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.)
Marinate meat with a recipe that includes an acidic ingredient, like red wine vinegar and lemon juice (like this recipe!.)
Cut the meat across the grain before serving. Tips below.
Don't overcook it! Check out the suggested times and temps below.

Marinade Ingredients

This marinade yields about 1 cup of marinade, which is perfect for 2 pounds of London Broil or other beef. 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.

How Long to Marinate

We recommend marinating London broil or other 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 to Cook in the Oven

The best way to cook London Broil is to broil it 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. The internal temperature will continue to rise a little when you take it out of the oven so take it out about 5 degrees before desired doneness.

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

How to Cook Steak in the Oven at 350 °F

If you would prefer baking London Broil in a 350 degree Fahrenheit oven, then be sure to baste with wet ingredients so it doesn't dry out. It will take more time to cook at the lower temperature (possibly 10 minutes more.) Another option is to sear the meat first on the stovetop and then bake.

Cut Against 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 to Grill

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

Freezer Guide

It is totally and completely possible to freeze london broil or flank steak in 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.

Serving Ideas

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:

Easy Blue Cheese Sauce - this 4 ingredient sauce tastes like it came from a steakhouse!
Creamy Horseradish Sauce by a Family Feast
Buttery Steak Sauce by The Novice Chef

Add a few simple sides, like crispy green beans, corn on the cob, or salad and dinner is done!

London Broil topped with Blue Cheese Sauce on plate next to green beans.

More Beef Recipes

The marinades in the first two recipes are also great with London Broil:

Easy Bavette Steak Recipe (Pan-Sear on Stovetop)
Red Wine Marinade for Steak Shish Kabobs
Flank Steak Pinwheels (Oven)

Would you like more easy, healthy, carb-conscious recipes?

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📋 Recipe

Best London Broil in Oven

Make the best London Broil in the oven using marinade and tips used by thousands of customers of our Stores to make tender, juicy steak. 5 from 4 votes Print Pin Rate Prep Time: 5 minutes Cook Time: 15 minutes Marinate: 2 hours Total Time: 20 minutes Servings: 6 servings Author: Marjory Pilley Save this recipe?Enter your email & get this recipe sent to your inbox! Plus receive new recipes each week!Please enable JavaScript in your browser to complete this form.Email Submit

Ingredients

▢ ½ cup canola oil or avocado oil
▢ ¼ 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.

Last StepPlease leave a rating and comment! letting us know how you liked this recipe. It helps our business to thrive so we can continue to provide more free recipes!

Notes

You'll find more expert tips and step-by-step pictures above! Note: Nutritional estimate assumes ½ of the marinade is discarded and not consumed. Grab 5 Low-Carb Saucesand get more easy, healthy recipes! JOIN HERE

Nutrition

More Beef Recipes

Easy Bottom Round Roast Recipe (Crock-Pot)
Easy Southern Chili Recipe with Beef and Beans
Crock-Pot Beef Stew with Red Wine
Individual Beef Crescent Roll Pot Pies

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I was looking for a way to bake this London Broil, not broil. I'm afraid to broil it. Also I don't want a meat that's not well-done. So I'll keep looking for a recipe to bake it.
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- Did you see this section of the post that gives directions for baking? https://www.dinner-mom.com/best-london-broil-marinade/#how-to-cook-steak-in-the-oven-at-350-f
  Reply
Question: I know this has lemon juice and red wine vinegar in the marinade but should it have a sour-ish taste after being broiled?
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- No it shouldn't. I've never heard of that. Could any ingredient be expired?
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Love this cooking method! Gets it crispy without having to dirty a pan to sear the meat!
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Hands down a keeper!!! Have made this several times now and every one is blown away!! Great Job and thank you so much for posting it!!
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- Thanks so much for your comment! I'm so glad you enjoy it!
  Reply
This recipe looks delicious. I am making it this weekend. I have one question---do I pat the meat dry before broiling. Some recipes say yes, others don't mention it?
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- Hi! You do not pat it dry. Simply lift out of the marinade and discard what's left behind. Enjoy!
  Reply
I'd like to make this using the recipe which seems delicious but I haven't quite understood whether the meat is to be marinated and broiled in one large piece and then sliced or are we talking about meat that has already been cut into steaks prior to marinating and broiling?
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- Hi! Cook the meat in one piece and then cut it!
  Reply
Easy great marinade! Rocks! Watch your broiler don't walk away monitor your internal temp with a digital thermometer. First shot , medium rare..So easy!!! Thx Mom!! This is a Keeper!
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- I'm so glad you enjoyed it!
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This is my first time broiling, so there was trial and error with timing. I did 14-mins and although it was too under-cooked in the middle for me, the ends were perfect and remarkably tasty. Thanks for giving me the courage to broil. Will use this recipe again.
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- Fantastic! It's a great alternative to grilling and similar to grilling in that you will get a feel for timing based upon the cut and thickness of meat, your stove and preferences. Thanks so much for your comment!
  Reply
Easy and delicious - Winner!
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- Thanks for your comment! I'm so glad you enjoyed it.
  Reply
- When broiling London broil do you broil it at low or high for 15 min. About 7 min on each side
  Reply
  - Hello! Broil it on high.
    Reply
I've never tried London Broil, but this recipe looks absolutely amazing! I can't wait to try it!
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- Yay! Thanks for your comment!
  Reply
We love london broil and this recipe was amazing! So much flavor!
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- Thanks so much for commenting!
  Reply
- Question! I have high and low broil settings. Which is more appropriate to use? Thanks!!!!!😁
  Reply
  - Mine only has on or off! But, I would use the high setting, but watch it carefully until you're familiar with how it works because all ovens work a little differently.
    Reply