How to Smoke a London Broil (In 9 Easy Steps)

Do you want to smoke a London broil? It’s one of my picks for an easy, cheap, and flavorful steak, which is why it is one of my favorite recipes.

However it tough cut needs some extra love! So follow my easy step-by-step guide to on how to smoke London broil style.

Can You Smoke London Broil?

Yes, you can smoke London Broil, this process will help to add a rich, smoky flavor. Usually London Broil is marinated and broiled or cook on the grill however it can also benefits from smoking, too.

I want to set the record straight right now.  London broil is a marinade and not a particular cut of meat or type of steak.  Oh, and it also isn’t from London!

What it is though, is a fantastic way to get the flavor in cheaper cuts of beef with tough meat fibers. When combined with smoking it delivers a delicious and economical meal.

The term ‘broil’ is a method of cooking that exposes the meat to high heat but we won’t be doing that today as we want to smoke it.

How to a Smoked London Broil

Below is my simple four steps for smoking a London broil. Just make sure you allow enough time for the meat to marinade, then just fire up the smoker and you’ll be ready to cook.

Step 1: Preheating Your Smoker

– Make sure your smoker or pellet grill is clean from the previous use and the load with your wood chips.

– Set the temperature to 225°F

Step 2: Smoking

Take the meat from the marinade and give it a light shake it remove the excess moisture and herbs.

Put the meat on the cooking grate in the pellet grill, insert the temp probe to the thickest part to monitor the internal temperature. 

 You will need to smoke the London broil for about 45 minutes. Remove when the meat has reached 125°F (for rare) or 132°F (for medium-rare) and 140°F (for medium). The cooking time also will vary depending on the thickness of the meat. 

Step 3: Rest The Meat 

– When the meat is ready, remove it from the pellet grill let it rest for 15 minutes covered

Step 4: Serve & Enjoy 

Most people slice the London broil against the grain thinly however you can serve it how you like. Make sure you serve with your favorite side dishes

How Long to Smoke a London Broil

At temperature of 225°F it will take 40-50 minutes to smoke a London broil to medium rare. However this timing with be different depending on the thickness of the meat as well as the type of smoker you use.

You should use a meat thermometer to monitor the internal temperature of the meat. Remove when the meat has reached 125°F (for rare) or 132°F (for medium-rare) and 140°F (for medium).

Smoked London Broil Marinade

Before you smoke a London broil you need to allow it to marinade for 4-8 fbefore you cook it in the smoker.

This marinade will help to that season and tenderizes the meat. The end result is a cheaper piece of meat as juicy as your favorite wagyu ribeye steaks!

Place all ingredients in a bowl or a large zip-lockbag. Add the meat to the marinade and ensure it evenly coated. Place the in the fridge for 4-8 hours.

The marinade has common pantry staples which are listed below:

  • 2 pounds beef top round roast
  • 3 tbsp Balsamic vinegar 
  • 1/4 cup of Worcestershire sauce
  • 6 minced garlic cloves
  • 1/2 cup of olive oil
  • 2 tbsp of light soy sauce 
  • 1 tbsp fresh oregano
  • 4 tbsp of honey
  • 2 tbsp black pepper 
  • 2 tbsp kosher salt
  • 1 Bay leaf 
  • 1 tsp chili pepper flakes

What Temperature Do We Smoke a London Broil Steak?

The ideal temperature for a London broil is 225°F. Any hotter and it will cook to fast and you may end up with tough meat.

What Internal Temperature Does the Meat Need to Be?

Remove when the meat has reached 125°F (for rare) or 132°F (for medium-rare) and 140°F (for medium).

The best way to measure the cooking temperature and avoid dry or overcooked meat is by using an internal meat thermometer.

How to Prepare a Smoked London Broil Steak?

You want to allow least 4 hours to marinating but it you can leave it for 8 hours that would be ideal.

Should You Brine a Smoked London Broil Steak?

Steak brines are a good way to flavor and tenderize cheaper cuts of meat. However you don’t for this recipe, we do not recommend brining as the marinade is enough.

Should You Trim a Smoked London Broil Steak?

London broil is a cheaper cut so they may be a need to trim the meat of any silver skin or excess fat before marinading.

Want to Try Sous Vide London Broil

Sous vide London broil is another great way to cook it. The low and slow method leaves you with melt-in-the-mouth meaty!

See the sous vide London Broil recipe here.

What to Serve with London Broil?

Ned some delicous sides for your London broil?

We recommend trying;

Smoked Corn

Mac and Cheese

Coleslaw With Wasabi Dressing

See what else to serve with London Broil here.

Smoked London Broil

Want the tastiest London broil? Stop broiling your London broil in your oven and use your smoker. You have to also try the marinade as it adds to the deliciously smokey flavors in this steak.
Prep Time10 minutes
Cook Time3 hours
Marinade Time3 hours
Total Time6 hours 10 minutes
Course: condiment, Dinner, lunch, main, Main Course, Side Dish
Cuisine: American, Barbecue, bbq, dinner, grill, lunch
Servings: 6 people
Calories: 225kcal
Cost: 15

Equipment

  • Pellet grill, charcoal smoker, or gas grill (we used a Pit Boss smoker)
  • Sharp knife
  • Wood pellets (we used mesquite wood)
  • Meat thermometer
  • Wooden spoon
  • Mixing bowl
  • paper towels
  • Ziplock plastic bag
  • Tinfoil

Ingredients

For the London Broil

  • 2 lbs  beef top round roast (also could be labelled as London Broil)

SMOKED LONDON BROIL MARINADE

  • 1/4 cup Worcestershire sauce
  • 3 tbsp Balsamic vinegar
  • 6 cloves minced garlic
  • 1/2 cup of olive oil
  • 2 tbsp of light soy sauce
  • 1 tbsp fresh oregano
  • 4 tbsp honey
  • 2 tbsp black pepper
  • 2 tbsp kosher salt
  • 1 leaf Bay leaf
  • 1 tsp chili pepper flakes

Instructions

Trimming

  • Take the steak and trim off any excess fat and silver skin with a sharp knife.

Marinating

  • In a large mixing bowl, add all of the marinating ingredients and mix with a wooden spoon.
  • Take the trimmed steak and put it into the ziplock bag. Pour the mixed marinade into the bag and close.
  • Shake the bag ensuring the meat is covered and try to remove the air.
  • Once the beef has marinated for at 4-8 hours , remove it from the bag. Pat away any excess marinade or excess salt.

Preparing The Pellet Grill

  • Make sure your smoker or pellet grill is clean from the previous use and the load and add the wood chips.
  • Set the temperature on indirect heat of 225°F.

Smoking The London Broil

  • Put the meat on the cooking grate in the pellet grill making sure the fat is on any direct heat.
  • Insert the temp probe to the thickest part which will monitor the internal meat temperature.
  • Close lid and smoke until done. On average the smoking time will take 4-8 hours of cooking with 5 pounds of meat.

Rest The Meat

  • When the meat is ready, remove it from the pellet grill and cover with tin foil for 15 minutes.

Serve & Enjoy

  • Enjoy the rested meat with friends and family knowing you haven’t sacrificed taste for your wallet when devouring the finished steak!

Smoke On!

Charlie

Author: Charlie Reeves
Hi, I’m Charlie, I am head taste tester at Simply Meat Smoking! I love it grilling, smoking, and getting out in the yard with the kids! The family also love to test all my recipes (especially my EXTRA CRISPY pulled pork, smoky pork loin, and ANY SEAFOOD I grill)

You will usually find me playing with the kids, perfecting my brisket bark, or sipping beers with boys around the fire. Can’t wait to share all my delicious smoking and grilling adventures with you!

You can read more on our About Us page.

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