How Do You Cook A London Broil Steak

ByLily

London broil steak is typically a tough, lean cut that needs marinating and careful slicing to eat well. So how do you cook a london broil steak so it turns out tender instead of chewy? The answer comes down to three things: a good marinade, high heat, and slicing against the grain.

This guide walks you through the whole process, from picking the meat to resting and carving it. Follow these steps and you will get a juicy, flavorful result every time.

What Is A London Broil Steak

Here is a fact that surprises most people. London broil is not actually a cut of beef. It is a cooking method.

In most grocery stores, the label refers to either top round or flank steak. Both are lean, budget-friendly, and fairly tough. That is why they need special handling.

These cuts have long muscle fibers. If you cook them wrong, they turn out like shoe leather. Cook them right, and they slice up tender and beefy.

How Do You Cook A London Broil Steak

The classic method is marinating, then broiling or grilling over high heat. Here is the full process broken into simple steps.

Step 1: Choose And Prep The Meat

Look for a piece that is about 1 to 1.5 inches thick. Thinner cuts cook too fast and dry out.

Pat the steak dry with paper towels before marinating. This helps the marinade stick. Trim any hard fat or silver skin with a sharp knife.

Step 2: Make A Simple Marinade

Acid and oil are the base. Acid tenderizes the surface, and oil carries flavor. Whisk these together in a bowl:

  • 1/2 cup olive oil
  • 1/4 cup soy sauce
  • 2 tablespoons red wine vinegar or lemon juice
  • 2 cloves garlic, minced
  • 1 teaspoon black pepper
  • 1 teaspoon dried oregano or rosemary

You can also add a spoon of honey or brown sugar for balance. Just dont overdo the acid. Too much lemon juice or vinegar can make the meat mushy.

Step 3: Marinate For At Least 4 Hours

Place the steak in a zip-top bag or glass dish. Pour the marinade over it and turn to coat.

Refrigerate for 4 to 24 hours. Longer is better for these tough cuts. Turn the bag once or twice so every side gets equal time in the liquid.

Take the steak out of the fridge about 30 minutes before cooking. Room temperature meat cooks more evenly.

Step 4: Set Up Your Heat Source

You have three good options. Pick whichever fits your kitchen or backyard.

  • Broiler: Set the oven rack 4 to 6 inches from the top element. Preheat on high.
  • Grill: Heat to high, around 450 to 500 degrees Fahrenheit.
  • Cast iron skillet: Get it smoking hot on the stove.

Whatever you choose, high heat is the goal. It creates a browned crust while keeping the inside juicy.

Step 5: Cook And Flip Once

Shake off excess marinade so it does not burn. Place the steak on the heat.

Cook for 4 to 6 minutes per side for medium-rare. That is an internal temperature of about 130 to 135 degrees Fahrenheit.

Only flip it once. Constant flipping stops the crust from forming. Use an instant-read thermometer for accuracy, since thickness varies.

Step 6: Rest The Meat

This step is not optional. Move the steak to a cutting board and cover it loosely with foil.

Let it rest for 10 minutes. The juices redistribute through the meat instead of running out onto the board. If you skip this, you lose flavor and moisture.

Step 7: Slice Against The Grain

Find the direction the muscle fibers run. They look like little lines across the surface.

Hold your knife perpendicular to those lines and cut thin slices, about 1/4 inch thick. This shortens the tough fibers and makes every bite tender.

Cutting with the grain, on the other hand, leaves long chewy strands. So take a second to look before you slice.

Tips For A Tender London Broil

Small details make a big difference with this cut. Keep these in mind.

  • Do not skip the marinade. Even 4 hours helps a lot.
  • Never cook past medium. Well-done round steak gets very dry.
  • Slice thin. Thick slabs of this cut are hard to chew.
  • Let the meat rest before cutting into it.
  • Serve leftovers cold in sandwiches or salads.

Common Mistakes To Avoid

Most failed London broils come from a few repeat errors.

  1. Cutting the meat right off the heat, which drains the juices.
  2. Using low heat, which steams the steak instead of searing it.
  3. Marinating for only 20 minutes and expecting a tender result.
  4. Slicing with the grain out of hurry or habit.

Avoid these and your steak will come out much better.

Serving Ideas

Thin slices of London broil work with almost any side. Try roasted potatoes, grilled vegetables, or a simple green salad.

It also shines in tacos, stir-fries, and steak sandwiches. The beefy flavor holds up well against bold sauces.

Final Thoughts

Cooking a London broil steak is really about respect for the cut. Marinate it, cook it hot and fast, let it rest, and slice it against the grain. Do those four things and a cheap, tough piece of beef turns into a tender, satisfying meal.

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