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How to Make the Tastiest Grilled London Broil Marinade

Turn your inexpensive piece of meat into a delicious dinner with just a few ingredients. This quick London broil marinade is perfect for dinner tonight.

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The weather is getting warmer and it’s time to fire up that grill!  I’m always grilling, even in the winter, but I love it even more when it gets warm.  

This London broil steak recipe is the perfect for your dinner tonight.  It doesn’t take long to cook so it’s perfect for when you need a quick meal.  You’ll just need to mix up the marinade and add the meat to it the night before and you’re good to go.  Scroll down to get the most delicious London broil marinade!

uicy london broil sliced up on a cutting board

Easy London Broil Marinade Recipe

I like adding London Broil, top round steak and flank steak to my shopping list. They are less expensive that other cuts of meat. They’re cheaper because they tend to be tougher and leaner. That’s why you need to marinade those roasts, the acid in the marinade helps tenderize them.

This London Broil recipe is so easy.  If I’m not in a rush, I mix up the marinade while I’m making dinner the night before.  You can also throw it together at breakfast so your meat will be ready to go by dinner. Prep time is very little for this recipe.

Ingredients for Quick London Broil Marinade

  • Olive oil
  • Balsamic vinegar- If you don’t have balsamic vinegar, then you can substitute red wine vinegar instead. Don’t leave the vinegar out though. It’s an important ingredient in this recipe.
  • Garlic
  • Whole grain mustard
  • Oregano
  • Worcestershire sauce
  • Salt and ground black pepper
uicy london broil sliced up on a cutting board

How to make marinade for London Broil (or flank steak)

Step 1

Add all ingredients into a bowl and mix thoroughly.

Step 2

Add your beef to a gallon sized baggie and pour marinade over the meat, seal up tight, and place in the refrigerator. Marinate London broil for at least 4 hours. The longer, the better.

Step 3

Preheat the grill and cook 5-7 minutes on each side.  You don’t want to overcook this!  It will be tough.  You are looking for around 135F for rare and 145F for medium rare. Let rest for 10 minutes before slicing. You may want to invest in a meat thermometer. I love mine that I just got off Amazon.

How to cook London broil in the oven.

Of course, you don’t have to grill your London broil. You can broil it in the oven. Place your oven rack at the highest place, closest to the heat. For a 2lb roast, you’ll want to broil about seven minutes per side. This is where that meat thermometer will come in handy. The bigger the steak, the longer it will take. These are just basic guidelines and the time it takes to cook yours may differ.

Can I cook my London broil on the slow cooker?

Yes, you can even make this easy London Broil recipe even easier. Instead of marinating your meat, just pour the marinade over the top of the meat. Cook in your slow cooker on low for eight hours. You can even throw in some veggies, like potatoes, carrots and onion AND have a complete meal.

juicy london broil sliced up on a cutting board

More recipes you’ll enjoy

Grilled London Broil Marinade

Turn your inexpensive piece of meat into a delicious dinner with just a few ingredients. This London broil marinade is perfect for dinner tonight.
Course Main Course
Cuisine American
Keyword grilled, marinade, summer
Prep Time 5 minutes
Cook Time 20 minutes
Servings 8
Author Holly- Keeping Life Sane

Ingredients

  • 1/2 cup olive oil
  • 4 tablespoons balsamic vinegar
  • 3 cloves garlic minced
  • 3 tablespoons whole grain mustard
  • 1 tablespoon dried oregano
  • 2 tablespoons Worcestershire sauce

Instructions

  • Add all ingredients into a bowl and mix thoroughly.
  • Add meat to a gallon sized baggie and pour marinade over the meat, seal up tight, and place in the refrigerator to marinate for at least four hours.
  • Preheat the grill and cook 5-7 minutes on each side. You don’t want to overcook this! It will be tough. Let rest for 10 minutes before slicing.

This is a family favorite dinner that’s quick and easy.  Make sure you print this out and save it with your other recipes!  You’ll want it this summer!

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