How Do I Cook A London Broil

ByLily

Cooking London broil means understanding this tough cut needs marinating and proper slicing against the grain. So how do i cook a london broil that turns out tender instead of chewy? The answer comes down to three things: a good marinade, high heat, and thin slices.

London broil is not actually a cut of meat. It is a cooking method. Most of the time, the meat labeled London broil at the store is top round, flank steak, or sirloin tip. These cuts are lean and can be tough if you rush them.

The good news is that with the right steps, you can get a juicy, flavorful result every time. Here is the full process from start to finish.

What You Need To Know Before You Start

This cut has almost no fat. That means it dries out fast if you overcook it. It also has long muscle fibers that stay tough unless you slice them the right way.

Plan ahead. You need at least 4 hours for the marinade, though overnight is better. Rushing this step is the number one reason London broil turns out tough.

Ingredients For A Simple Marinade

  • 1/2 cup soy sauce
  • 1/4 cup olive oil
  • 2 tablespoons red wine vinegar or lemon juice
  • 3 cloves garlic, minced
  • 1 tablespoon honey or brown sugar
  • 1 teaspoon black pepper
  • 1/2 teaspoon dried thyme or rosemary

The acid in the vinegar and the salt in the soy sauce both help break down the muscle fibers. The oil carries the flavor and keeps the meat from sticking.

How Do I Cook A London Broil

Now for the main event. You have two good options: the oven broiler or a hot grill. Both work well. Pick the one you are most comfortable with.

Step 1: Marinate The Meat

Put your steak in a zip-top bag or a shallow glass dish. Pour the marinade over it. Make sure the meat is fully coated.

Seal it and place it in the fridge. Let it sit for at least 4 hours. Flip it once or twice if you can. Overnight is ideal for the best texture.

Step 2: Bring It To Room Temperature

Take the meat out of the fridge about 30 minutes before cooking. Cold meat cooks unevenly. Pat it dry with paper towels so the surface can brown properly.

Step 3: Cook Under The Broiler

  1. Move your oven rack to the top position, about 4 inches from the heating element.
  2. Preheat the broiler for 10 minutes.
  3. Place the steak on a broiler pan or a wire rack set over a baking sheet.
  4. Broil for 4 to 5 minutes per side for medium-rare.
  5. Check the internal temperature with a meat thermometer.

You want 130°F for medium-rare and 140°F for medium. Do not go past 145°F or the meat gets dry.

Step 4: Cook On The Grill Instead

Heat your grill to high. Clean the grates and oil them lightly. Grill the steak for 4 to 6 minutes per side, depending on thickness.

Keep the lid open or closed based on your grill type. Either way, watch it closely. This cut goes from perfect to overcooked in just a minute or two.

Step 5: Rest The Meat

This step matters more then people think. Move the steak to a cutting board and cover it loosely with foil. Let it rest for 10 minutes.

Resting lets the juices settle back into the meat. If you cut it right away, the juices run out and you lose flavor.

Step 6: Slice Against The Grain

Look at the surface of the steak. You will see lines running through the meat. Those are the muscle fibers.

Hold your knife at a slight angle and cut across those lines, not along them. Cut thin slices, about 1/4 inch thick. This shortens the tough fibers and makes every bite tender.

Common Mistakes To Avoid

  • Skipping the marinade and cooking right away
  • Using a fork to flip the meat and losing juices
  • Cutting with the grain instead of against it
  • Not letting the meat rest before slicing
  • Cooking past medium, which makes it tough

Avoid these and your London broil will come out tender and full of flavor. It really is that simple once you know the steps.

Serving Ideas

Slice the meat thin and fan it out on a plate. Spoon a little of the pan juices over the top. Serve it with roasted potatoes, a simple green salad, or grilled vegetables.

Leftovers work great in sandwiches or over rice. Store them in the fridge for up to three days.

Final Thoughts

London broil is one of the most affordable cuts you can buy. Treat it with a long marinade, cook it hot and fast, and always slice against the grain. Do that and you will get a meal that tastes like it came from a steakhouse, not a budget cut.

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