The Grilled London Broil with Rosemary Marinade Recipe is a wonderful way to transform a budget-friendly cut of beef into a juicy, flavorful main dish perfect for any season. Whether you're firing up the grill for a casual weeknight or serving guests on the weekend, this recipe delivers reliable tenderness and a beautifully fragrant finish thanks to fresh rosemary. It's a recipe I often return to because it's both straightforward and deeply satisfying.

In the white shallow bowl, there are about nine slices of cooked steak laid out side by side, each piece showing a pink center with a brown, slightly charred outer edge, giving a textured look. The steak slices are arranged in a slight curve, covering most of the bowl's center, and sprinkled with chopped green herbs that add a fresh contrast. Around the edges inside the bowl, there are fresh green leafy herbs resting on a small pool of dark brown juice beneath the meat. The bowl sits on a white marbled surface, enhancing the natural colors of the steak and herbs. Photo taken with an iphone --ar 2:3 --v 7 - Grilled London Broil with Rosemary Marinade, London Broil marinade, beef steak marinade, grilled beef recipe, easy beef dinner

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Why You'll Make This on Repeat
Ingredient Highlights
Step-by-Step for Grilled London Broil with Rosemary Marinade Recipe
Kitchen Notes I Rely On
Serving & Sides
Make-Ahead & Storage
Frequently Asked Questions
Final Thoughts
Printable Recipe

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Why You'll Make This on Repeat

This grilled London broil is an easy, flavorful meal you can trust to impress without fuss. The rosemary adds a fresh herbal brightness that pairs perfectly with the rich beef, and the simple marinade helps tenderize the meat for a delightful bite every time.

Reliable Texture: A good soak in the marinade softens the flank steak just right, preventing toughness common with this cut.
Balanced, Cozy Flavor: The combination of soy sauce and rosemary creates a savory, slightly earthy taste you'll find comforting and fresh.
Pantry-Friendly: Ingredients like garlic powder and olive oil are readily on hand, making prep a breeze.
Weeknight Simple: Minimal hands-on time paired with a quick grill gives you a delicious meal even on busy days.

Ingredient Highlights

The dish shows six slices of medium-rare steak arranged in a white bowl, each slice displaying a pink center with brown edges and a juicy texture. Finely chopped green herbs are sprinkled evenly on top of the steak, adding a touch of freshness. On the left side of the bowl, fresh green rosemary sprigs rest beside the meat, providing a contrast in color and texture. The steak sits in a small pool of reddish-brown juice that adds moisture and shine to the presentation. The bowl is placed on a white marbled surface, enhancing the dish's clean and bright look. photo taken with an iphone --ar 2:3 --v 7 - Grilled London Broil with Rosemary Marinade, London Broil marinade, beef steak marinade, grilled beef recipe, easy beef dinner

The quality and balance of ingredients in this Grilled London Broil with Rosemary Marinade Recipe really make the difference. I always recommend choosing fresh rosemary and a lean cut of beef like top round or flank steak to maximize flavor and texture.

London Broil (Flank Steak or Top Round): Look for steaks that are evenly thick and bright red to ensure even cooking and freshness.
Fresh Rosemary: Fresh herbs pop with flavor, so avoid dried if you can-it makes a noticeable difference in aroma and taste.
Soy Sauce (Low-Sodium): Using low-sodium lets you control the salt level while adding a rich umami base.
Olive Oil: A good quality extra virgin olive oil offers subtle fruitiness that complements the beef beautifully.

Flat lay of a fresh raw London Broil steak with rich marbling, a small white ceramic bowl of golden olive oil, a small white bowl filled with dark glossy low-sodium soy sauce, a small white bowl holding light beige garlic powder, a small white bowl with coarsely cracked black pepper, and a few sprigs of finely chopped fresh green rosemary arranged neatly, all placed on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354639359234015250 - Grilled London Broil with Rosemary Marinade, London Broil marinade, beef steak marinade, grilled beef recipe, easy beef dinner

Quick Note: Exact measurements are in the printable recipe card at the bottom.

Step-by-Step for Grilled London Broil with Rosemary Marinade Recipe

Step 1 - Prep & Season

Start by making your marinade. In a bowl, whisk together olive oil, low-sodium soy sauce, garlic powder, freshly cracked black pepper, and finely chopped fresh rosemary. The mixture should be glossy and fragrant, which helps infuse the meat as it rests. Place your London Broil in a resealable bag or shallow dish and pour over the marinade, ensuring every surface is coated. Seal it tightly, then refrigerate for at least 4 hours-overnight if possible. This resting time is crucial; it lets the rosemary and spices penetrate the meat, tenderizing and flavoring it thoroughly. You'll notice the beef takes on a richer look and smell after marinating.

Step 2 - Build Flavor

When you're ready to grill, heat your grill to medium-high-this ensures a nice sear without overcooking the interior. Remove the London Broil from the marinade, letting excess drip off; you don't want it dripping and causing flare-ups on the grill. As you place the steak on the grates, listen for that satisfying sizzle. Grill each side for about 5 to 7 minutes. Remember, we're aiming for medium-rare here, so keep an eye on the timing and avoid flipping too often. The aroma of rosemary and soy sauce caramelizing will be irresistible. Patience during this step rewards you with complex, toasty notes and a juicy interior.

Step 3 - Finish for Best Texture

Once grilled, remove your London Broil and let it rest on a cutting board for about 10 minutes. This step can't be skipped-letting the juices redistribute ensures every bite stays juicy rather than drying out when sliced. Once rested, slice the beef thinly against the grain; this shortens muscle fibers, resulting in tender, easy-to-chew strips. You'll immediately notice how the rosemary flavor has mellowed into the meat, and how moist and glossy each slice looks. Serve immediately for the best texture and taste.

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Kitchen Notes I Rely On

Over the years, I've found that monitoring internal temperature and slicing techniques are key to perfecting this grilled London broil recipe. Those small details elevate the dish from just good to memorable.

Doneness Cue: Aim for about 130°F internal temperature for medium-rare; use a meat thermometer for accuracy.
Temperature Trick: Let the grill get hot enough to sear and develop a crust but avoid high flames that char quickly.
Make-Ahead Move: Marinate overnight for deeper flavor-this really tenderizes the meat beautifully.
Skip This Pitfall: Don't slice before resting. Cutting too soon steals the juiciness from your steak.

Serving & Sides

Finishing Touches

I like to drizzle just a little high-quality olive oil or a sprinkle of flaky sea salt over the sliced London Broil before serving. It enhances the rosemary's herbal notes and brightens the whole dish. Fresh cracked pepper on top is a simple touch that adds a pleasant warmth. These finishing touches bring out the glossy, savory character of the beef perfectly.

Pairs Nicely With

This Grilled London Broil with Rosemary Marinade Recipe goes beautifully alongside creamy mashed potatoes or roasted root vegetables, which soak up all those savory juices. A fresh green salad or grilled asparagus adds vibrancy and crunch, balancing the meaty richness. I also love serving it with a side of crusty bread to mop up any lingering marinade flavors.

Simple Plating Upgrades

For a weeknight meal, thinly sliced strips fanned out on a warm platter look inviting enough. For something more special, try stacking the slices and garnishing with fresh rosemary sprigs and a lemon wedge. A drizzle of balsamic glaze adds a glossy pop and depth that impresses guests without much extra effort.

Make-Ahead & Storage

Storing Leftovers

Place leftover grilled London broil strips in an airtight container and refrigerate within two hours of cooking. They'll stay juicy and tender for 3 to 4 days. I recommend layering with a little marinade or olive oil to help preserve moisture. Avoid stacking too thick so the pieces cool evenly.

Freezer Tips

You can freeze leftover grilled London broil, but the texture is best when eaten fresh. Wrap strips tightly in plastic wrap then place in a freezer-safe bag to prevent freezer burn. Thaw overnight in the fridge for best results. It keeps well up to 2 months but is tastiest within the first few weeks.

Reheating Grilled London Broil with Rosemary Marinade Recipe Without Drying Out

To reheat, I prefer warming gently in a covered skillet over low heat with a splash of broth or reserved marinade to keep the beef juicy. An oven set to 275°F with foil tenting works well, too-check often to avoid drying. The microwave can work in a pinch; heat in short bursts at medium power, flipping halfway through and adding a few drops of water or oil to maintain moisture.

Frequently Asked Questions

What cut of beef works best for this recipe?

Flank steak or top round roast are ideal for this Grilled London Broil with Rosemary Marinade Recipe due to their lean texture and ability to absorb marinades well.

How long should I marinate the London Broil?

At minimum, marinate for 4 hours to tenderize and infuse flavor, but overnight is best for a deeper, more complex taste.

Can I cook this in a pan if I don't have a grill?

Absolutely! Use a heavy skillet like cast iron over medium-high heat, searing each side until nicely browned and cooking to your preferred doneness.

How do I slice London Broil to keep it tender?

Always slice thinly against the grain after resting. This cuts through muscle fibers and ensures tenderness.

Final Thoughts

This Grilled London Broil with Rosemary Marinade Recipe is one of those meals that feels special yet comes together with minimal fuss. It's incredibly versatile and approachable, perfect for those evenings when you want something hearty with a hint of elegance. I love how the rosemary's fragrance fills the kitchen as you grill, and how that first tender, flavorful bite never disappoints. With a few simple techniques, you'll consistently impress yourself and anyone at your table. Give it a try and enjoy a delicious journey into classic, homestyle grilling!

Printable Recipe