Here’s a simple, reliable way to cook a juicy, tender London broil at home, plus some “forum-style” tips and variations people rave about online.

What London broil is (quick scoop)

  • It’s usually a lean cut like top round or flank steak that’s marinated, cooked hot and fast, then sliced thin.
  • The magic is not just in cooking, but in marinating, not overcooking, resting, and slicing against the grain.

Core method: marinate, sear, finish in oven

This is a flexible method that works whether you broil in the oven or sear then roast.

1. Prep and marinate (at least 30 minutes, ideally overnight)

Use a 1–2 pound London broil (top round or similar).

Simple marinade idea (mix and match):

  • Acid: lemon juice or balsamic vinegar
  • Salt/umami: soy sauce or Worcestershire sauce
  • Liquid: beef stock or olive oil
  • Flavor: garlic, onion powder, dried herbs (thyme, rosemary, oregano), black pepper
  • Sweet balance (optional): a little brown sugar or honey

Basic approach:

  1. Score the meat lightly in a crosshatch pattern, about ⅛-inch deep, on both sides (helps flavor penetrate and tenderize).
  1. Put steak in a zip-top bag or shallow dish.
  2. Pour marinade over, press out excess air, and refrigerate:
    • Minimum: 30 minutes.
 * Better: 2–4 hours.

 * Best: overnight for deeper flavor.
  1. Take the steak out of the fridge 30 minutes before cooking so it’s closer to room temp.

2. Oven broil method (classic “London broil”)

This is the super straightforward version many weeknight recipes use.

  1. Preheat your oven broiler on HIGH and place an oven rack so the meat will sit a few inches from the heat source.
  1. Remove steak from marinade and pat it dry. Discard the marinade.
  1. Rub with a bit of melted butter and/or olive oil, then season with salt and pepper if needed.
  1. Place steak in a broiler-safe pan or baking dish.
  1. Broil about 5–6 minutes on the first side, then flip and broil another 3–5 minutes, depending on thickness, until around:
 * 125–130°F for medium-rare
 * 135–140°F for medium
  1. Use an instant-read thermometer in the thickest part to avoid overcooking.
  1. Transfer to a cutting board, tent loosely with foil, and rest 5–10 minutes.
  1. Slice thinly against the grain for tenderness.

3. Pan-sear then roast (great crust)

Many home cooks like to start in a hot skillet and finish in the oven for a steakhouse-style bark.

  1. Preheat oven to about 400–420°F.
  1. Heat a cast iron or oven-safe skillet over medium-high until hot, adding a bit of oil.
  1. Sear steak 2–3 minutes per side until a brown crust forms.
  1. Add hardy herbs like thyme or rosemary to the pan if you like.
  1. Transfer the skillet to the oven and cook 8–15 minutes (thickness dependent), checking internal temp for your preferred doneness (around 130–135°F for medium-rare).
  1. Rest 5–10 minutes, then slice thin against the grain.

4. Grilling option (for when you want char)

For that smoky summer flavor, many forum and recipe writers swear by grilling over relatively high direct heat.

Basic approach:

  1. Preheat grill to medium-high, clean and oil the grates.
  1. Remove from marinade, pat dry, lightly oil the meat’s surface, and season.
  1. Grill over direct heat, flipping once, aiming for a good sear on both sides. Cook time depends on thickness, but think roughly 4–7 minutes per side, checking temperature.
  1. Rest and slice thinly against the grain.

Doneness guide (internal temperatures)

Typical recommendations for London broil-style cuts:

  • Rare: about 125°F (pull at ~120°F, it will rise as it rests).
  • Medium-rare: about 130–135°F (pull a few degrees earlier).
  • Medium: about 140–145°F.
  • Medium-well and beyond: 150°F+, but lean cuts can get tough if cooked too much.

Most people cooking London broil aim for medium-rare to medium so it stays juicy.

Little tricks people discuss in forums

Drawing from recipe comment sections and grilling discussions, here are the kinds of tips and debates you see around “how to cook London broil.”

  • Marinade length:
    • Some cooks are happy with a quick 30-minute soak on a busy night.
* Others insist on an overnight marinade for better tenderness and flavor.
  • Grill vs. oven vs. skillet:
    • Grill fans love strong grill marks and a smoky bite.
* Oven-broil fans like the simplicity and control, especially in colder months.

* Skillet-then-oven people talk a lot about the deep crust and “restaurant” feel.
  • Flavor add-ons:
    • Herbs like thyme or rosemary in the pan or marinade.
* A bit of brown sugar or honey to balance the acidity and help browning.

* Compound butter or “cowboy butter” on top after slicing for richness.
  • Common pitfalls:
    • Over-salting if you combine salty ingredients (soy sauce, Worcestershire, etc.) without adjusting. Some recipe authors note they re-test for saltiness.
* Not resting the meat, which leads to juices running out and a drier result.

* Slicing with the grain instead of against it, making each bite chewier.

Simple serving ideas

London broil slices well and works with a lot of sides.

  • Classic: roasted potatoes, green beans, or a simple salad.
  • Comfort: mashed potatoes and pan juices poured over the sliced meat.
  • Lighter: sliced steak over a salad with vinaigrette.
  • Leftovers: steak sandwiches, tacos, or grain bowls the next day.

SEO-style extras

  • Main focus keyword: how to cook london broil (used throughout in headings and steps).
  • Related context: grilling variations, quick weeknight approaches, and the way people discuss marinades and timing in comment sections and forum-style posts.
  • Meta-style description:
    • Learn how to cook London broil so it’s tender, juicy, and full of flavor. Get an easy marinade, oven broil and grill methods, doneness temps, and real-world tips from home cooks.

TL;DR: Marinate a lean London broil, cook it hot and fast (broiler, grill, or sear + oven) to medium-rare, rest it, and slice thinly against the grain for maximum tenderness.

Information gathered from public forums or data available on the internet and portrayed here.