Marinated London Broil (2024)

The secret to this insanely flavorful and tender Marinated London Broil recipe is all in the timing! A day’s worth of soaking in a simple balsamic-wine marinade rewards you with a delicious dinner that’s versatile and ready in no time.

I have no idea why I haven’t shared my London Broil with you guys yet.

After almost 5 years into blogging, there’s definitely not enough beef in my recipe archives. And since this is something I make pretty often…I’m not sure why I’ve held back on you.

I decided last fall that 2019 would be The Year Of Dinner Recipes, since two reader surveys told me that’s what you guys are mostly here for.

I’d like to think I’m off to a pretty good start.

This insanely delicious steak recipe is a must-make! It’s SUPER tender, full of flavor, and there is zero waste, since you reduce the London broil marinade into a serving sauce!

All it takes is a little patience during marinating time, a cast iron skillet, and a hot stove.

This page includes step by step instructions, as well as tips and notes. If you’d like to skip all that, feel free to scroll down to the full, printable recipe card at the bottom of the post.

What is London broil?

I love sharing recipes like this London broil, because I get to make my hubby work – he gets to answer my questions for me.

Being a career butcher, Abe is often asked, “What part of the cow is London broil?”

Well…in spite of what the labels at the store say, there is no London broil cut.

“London Broil” is actually a cooking method, and one that has roots in America instead of across the pond. It refers to tough, lean , inexpensive cuts of beef that are marinated and seared, grilled, or broiled at a high heat.

London Broil should never be tough. If it is, it was not marinated properly or for a long enough time. Quickly cooking lean steak often results in tough, chewy beef (I’ve made this mistake with fajitas.) The longer you marinate your beef, the more tender it will be. 24 hours is ideal, so if you can get away with it, plan far ahead for dinner!

As for which beef cuts to look for, flank steak and top round steak are both cut from the rear part of the cow and work well for any London Broil-labeled recipe. Try to find the thickest cut possible, also – 2-inches thick makes for an ideal slice!

What goes into a London broil marinade?

Everyone has their tastes, from herb heavy to soy-based. I’m a red wine & balsamic fan, so I like to balance my marinade around those flavors.

• Fresh garlic – it MUST be fresh!
• Olive oil – avocado or grapeseed oil also work
• Balsamic vinegar
• Red wine – the drier the better
• Dijon or spicy brown mustard
• Soy sauce
• Worcestershire sauce
• Black pepper
• Red pepper flakes – for a little optional heat
• Fresh thyme – although I’ve also used rosemary and oregano with great results

How to cook London broil on the stove

Many London broil recipes teach you how to grill and broil this cut of meat, but in this house, we cast iron!

1. First, make your marinade. Whisk together marinade ingredients in a small bowl until well combined.
2. Place the London Broil steak in a gallon-sized zipper bag and pour the marinade over it. Seal the bag, removing excess air, and place it in the refrigerator. Allow it to marinate for at least 12 hours and up to 24, turning the bag at least once.
3. Two hours before cooking, remove the steak from marinade and place it on a cutting board. Reserve the marinade, placing it back in the fridge while you allow the steak to come to room temperature, 1-2 hours.
4. When you’re ready to cook, use a sharp knife to score a shallow, 1/8-inch deep criss-cross pattern on both the top and bottom of the steak.
5. Melt butter and oil in a large cast iron skillet set over high heat until it sizzles. Sear the steak for 3 minutes, undisturbed, then flip and repeat on the opposite side.
6. Then, remove the pan from the heat and tent it with foil. Leave it to continue cooking in the residual heat of the pan to your desired doneness, anywhere from 5-10 minutes. Use a meat thermometer to check the temperature; 120-130 degrees F is rare, while 130-135 degrees F is medium rare.
7. When the steak reaches your desired temperature, transfer it to a cutting board to rest for 10 minutes.
8. Carefully pour the reserved marinade in the same pan and return it to the stove. Bring it to a boil over medium heat, then reduce to medium low, stirring occasionally, and cook until the marinade is reduced by half.
9. Slice the rested meat thinly, diagonally across the grain, and serve it with the reduced sauce.

LOOKING FOR MORE BEEF RECIPES?

• Chorizo Beef Wellington
• Crock Pot Meatloaf with Pan Gravy
• Red Wine Mushroom Braised Beef

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