London Broil Instant Pot: How to prepare it

by Joost Nusselder | Last Updated:  August 16, 2022

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Are you looking for a cooking pot that can help you cook steak in a fast, easy, and economical way? If you are, then the Instant Pot is what you need. 

Pressure cookers offer a fast and intensive method of cooking steak. It’s what you need if you want to make your lean meat tender.


Image credit flickr by Jeremy Keith


Instant Pot London broil recipe

Joost Nusselder
Steaks prepared with an Instant Pot cooker will take care of the London broil’s high heat component, whether you're cooking flank steak or some other types of lean meat. Similarly, it’s possible to slather the steak with the traditional marinade recipe before you begin cooking the Instant Pot steak.
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Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Course Main Course
Cuisine American
Servings 4 people


  • lbs top round steak

London Broil Marinade

  • 3 tbsp balsamic vinegar
  • 3 tbsp lemon juice
  • 4 tbsp soy sauce (low sodium)
  • ½ tsp Worcestershire sauce
  • 1 tbsp olive oil
  • 1 tbsp shallots chopped
  • 2 cloves garlic peeled
  • 1 tsp thyme
  • 1 tsp oregano


  • Prepare the marinade. You can use the recipe above for reference. But if you’ve got your own favorite recipe for marinade, then feel free to use it!
  • Place the marinade you’ve prepared into a bowl and then arrange the London broil cut into the bowl with the marinade. 
  • After mixing the ingredients above, add a small amount of chopped shallots, peeled garlic cloves, oregano, and thyme.
  • Turn the meat over to ensure that it’s fully coated with the marinade. Cover and place overnight in the fridge.
  • Take the steak out of the bowl with marinade. 
  • Cut the meat in half and place it into the pressure cooker. 
  • Set the pressure cooker to “browning” or “sauté”.
  • Coat the bottom of the pressure cooker with a generous amount of oil.
  • Place the steak in the pressure cooker. Brown the steak quickly. Use a pair of tongs to turn them over.
  • Press the cancel button and put down the lid of the cooker. Make sure that the vent is fully closed. 
  • Use the "manual" setting. Depending on the type of pressure cooker you’re using, you might have to choose a different designation, so follow the instructions very carefully.
  • Set the cooker to cook according to the manufacturer's instructions. The cooking time for the Instant Pot is usually 20 minutes for every lb of steak at 12 “pounds per square inch” or around 15 minutes for every lb of steak at 15 “pounds per square inch.” It’s worth noting that if the PSI is high, the temperature inside the cooker is high as well.
  • After the proper cooking time is achieved, press the cooker’s quick-release function.
  • If you believe that the London broil has already been adequately cooked, remove it from the cooker and place iti on a platter. 
  • Let it sit for a while to keep the steak moist.
Keyword Instant Pot
Tried this recipe?Let us know how it was!

What is London broil?

If this is the first time you’ve heard of London broil, you’ll probably think of it as a piece of meat or a steak recipe. This might come as a surprise to you, but this dish is both!

The London broil is a type of dish that’s capable of tenderizing lean meats and even tough cuts. You marinate the meat first and broil it afterward or cook it at a high temperature. 

If you’ve gone to the meat section lately, you’ll probably come across those “London broil” cuts of meat. Of these, the flank steak is the most popular. F

This piece of meat is derived from the flank of a cow. Some of the London broil cuts that you’ll find consist of top blade steak, as well as top round steak.

The London broil recipe or those steaks prepared through an Instant Pot cooker will take care of the London broil’s high heat component, whether you’re cooking flank steak or some other types of lean meat. Similarly, it’s possible to slather the steak with a traditional marinade recipe before you begin cooking the Instant Pot steak. 

How to prepare London broil with a pressure cooker

To find out the proper cooking time for your steak using the Instant Pot or another similar cooking device, it’s best to refer to recipe booklets and carefully read the instructions that come with the electric pressure cooker. 

Usually, the settings will vary depending on the type of cooking appliance you’re using. 

London broil is also great smoked, if you know which woods to use for smoking

How to make it a meal

Sure, you can have the London broil steak as part of a healthy lifestyle, as long as you eat it in moderation. According to USDA, 3 oz of the steak has 175 calories and 3 g of saturated fat, which is equivalent to around 15% of the saturated fat you’ll get in a day. This is also equivalent to 25% of your dietary cholesterol allowance. 

As for the protein, 3 oz of the London broil steak has 26 g of protein. This is half of what you’re required to consume daily.

Furthermore, the steak is highly nutritious since it contains 10% of the required daily amount for zinc, iron, and Vitamin B12. It also has about 4% of the recommended daily allowance of magnesium and potassium.

Is it healthy to have steak for dinner? According to experts, it is, as long as you cook a modest size, and you serve it with healthy sides.

You can follow a plating system where the steak will take up a quarter of the entire food on your plate. 

Another quarter of the plate will be for your sides, which should consist of healthy carbs like a whole-grain roll or brown rice. Half of the plate should have fresh salad or a generous amount of steamed veggies.

Make a London broil in your Instant Pot

If you’re tired of your usual steak recipe, the London broil Instant Pot recipe is great to try!

As you can see, it’s an easy recipe to follow. Of course, you can use other recipes for your marinade.

Just make sure you follow the instructions that come with the London broil pot. It’s a great dish to serve at dinner. 

If you’re thinking of inviting some friends over and you’re not sure what to cook, give London broil steak a try. It’s delicious, healthy, and definitely easy to prepare!

Joost Nusselder, the founder of Lakeside Smokers is a content marketer, dad and loves trying out new food with BBQ Smoking (& Japanese food!) at the heart of his passion, and together with his team he's been creating in-depth blog articles since 2016 to help loyal readers with recipes and cooking tips.