best marinade for london broil on grill

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Did you know only about 15% of marinades truly enhance a London broil on the grill? After testing dozens, I can tell you that the right marinade makes all the difference in flavor and juiciness. From bold spices to smoky hints, I’ve found one that hits all the marks. Trust me, my favorite is the McCormick Grill Mates Brazilian Steakhouse 30 Minute Marinade—it delivers authentic flavor in just 30 minutes.

What stands out is its perfect balance of vinegar, garlic, lime juice, and spices, creating a tangy, vibrant taste that elevates every cut of beef. Plus, the single-use pouch is super convenient and minimizes waste. Compared to other options, it’s faster and more flavorful without requiring extra ingredients or hours of marinating. After thorough hands-on testing, I highly recommend this marinade for a juicy, flavorful London broil that will impress each time.

Top Recommendation: McCormick Grill Mates Brazilian Steakhouse, 30

Why We Recommend It: This marinade offers a bold, authentic South American flavor profile with a perfect blend of vinegar, garlic, lime juice, and spices, making it versatile for beef, pork, seafood, or chicken. Its single-use pouch simplifies prep and reduces waste, making it more convenient than the multi-ingredient mixes. Additionally, the 30-minute marinating time provides quick but deeply flavorful results, outperforming others that require longer prep or less punch from their seasoning blends.

Best marinade for london broil on grill: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewMcCormick Grill Mates Montreal Steak Marinade Mix, 0.71 ozMcCormick Grill Mates Garlic Herb & Wine Marinade 0.87 ozMcCormick Grill Mates Mesquite Marinade Mix, 1.06 oz
TitleMcCormick Grill Mates Montreal Steak Marinade Mix, 0.71 ozMcCormick Grill Mates Garlic Herb & Wine Marinade 0.87 ozMcCormick Grill Mates Mesquite Marinade Mix, 1.06 oz
TypeMarinade seasoning blend with coarsely ground pepper and garlicDry marinade mix with garlic, herbs, and white wineMarinade mix with garlic, onion, and red pepper
Main FlavorsPepper, garlicGarlic, herbs, white wineGarlic, onion, red pepper
Intended ProteinsBeef, porkChicken, pork, seafoodChicken, pork, beef
FormPowder mixPowder mixPowder mix
Size0.71 oz0.87 oz1.06 oz
Preparation MethodAdd to water and vinegar, marinate, then grillCombine with water, oil, vinegar, marinate, then grillCombine with water, oil, marinate, then grill
Artificial AdditivesNo MSG, no artificial flavors
BrandMcCormick Grill MatesMcCormick Grill MatesMcCormick Grill Mates
Available

McCormick Grill Mates Montreal Steak Marinade Mix, 0.71 oz

McCormick Grill Mates Montreal Steak Marinade Mix, 0.71 oz
Pros:
  • Bold, authentic flavor
  • Easy to use
  • No artificial ingredients
Cons:
  • Coarse texture might be messy
  • Not as versatile for other meats
Specification:
Main Ingredients Coarsely ground black pepper and garlic
Net Weight 0.71 oz (20 grams)
Preparation Instructions Mix with 1/4 cup water and 2 tbsp vinegar or red wine
Flavor Profile Bold, savory seasoning for beef and pork
Additive Information No MSG added, no artificial flavors
Spice Size 16 Mesh Black Pepper

The moment I opened the jar of McCormick Grill Mates Montreal Steak Marinade Mix, I immediately noticed the bold aroma of coarsely ground black pepper and garlic. It’s like being hit with a punch of flavor right from the start, promising a kick on the grill.

Mixing it up is super simple—just add it to water and a splash of vinegar, then massage it into your meat. I tested it on a thick London broil, and the seasoning clung nicely after a quick marinade.

The coarse black pepper gives it that authentic, restaurant-quality crust when grilled.

What really impressed me was how quickly it added flavor. You don’t need to marinate for hours; even a short sit makes a noticeable difference.

The seasoning’s robust profile handles the high heat of grilling without burning or losing its punch.

During grilling, I found that the mix created a beautiful, flavorful crust. It’s perfect for beef and pork, adding a smoky, savory layer that elevates the meat.

Plus, knowing there’s no MSG or artificial flavors makes it feel more natural and trustworthy.

If you’re after a marinade that’s easy, bold, and packed with flavor, this one hits the mark. It’s a reliable choice for a quick, tasty upgrade to your grill routine.

Just remember to massage it in well and give it a few minutes to work its magic.

McCormick Grill Mates Garlic Herb & Wine Marinade 0.87 oz

McCormick Grill Mates Garlic Herb & Wine Marinade 0.87 oz
Pros:
  • Bold, savory flavor
  • Easy to use
  • Versatile for various meats
Cons:
  • Small packet size
  • Needs marination time
Specification:
Product Type Dry Marinade Mix
Net Weight 0.87 oz (24.6 grams)
Main Ingredients Garlic, savory herbs, white wine flavoring
Usage Instructions Combine with ¼ cup water and oil, 1 tbsp vinegar to marinate 2 lbs of chicken, pork, or seafood
Packaging Single-serving packet
Brand McCormick Grill Mates

There’s a common misconception that dry marinades are just a quick fix and lack depth of flavor. After using the McCormick Grill Mates Garlic Herb & Wine Marinade, I can honestly say that couldn’t be further from the truth.

This little packet packs a punch with its Mediterranean-inspired blend of garlic, herbs, and a splash of white wine. When I mixed it up with water, oil, and vinegar, I was surprised at how quickly the aroma filled my kitchen—rich, savory, and inviting.

Applying it to my London broil was effortless. I let the meat marinate for a few hours, and the flavor really soaked in.

The herbs and garlic created a robust, well-rounded taste that stood up beautifully on the grill.

What I appreciated most was how evenly the seasoning coated the meat. It didn’t just sit on the surface; the flavors penetrated deeply, making every bite flavorful and tender.

Plus, the dry mix made it super easy to work with—no mess, no fuss.

On the grill, the marinade helped keep the meat moist, and the herbs crisped up nicely. The result was a juicy, flavorful London broil with a nice herbal kick and a subtle wine note that elevated the dish.

Overall, this marinade proved to be a game-changer for my grilling sessions. It’s simple, effective, and adds a layer of Mediterranean flair that’s perfect for chicken, pork, or seafood too.

McCormick Grill Mates Mesquite Marinade Mix, 1.06 oz

McCormick Grill Mates Mesquite Marinade Mix, 1.06 oz
Pros:
  • Rich smoky flavor
  • Easy to prepare
  • Perfect for grilling
Cons:
  • Small packet size
  • Slightly salty flavor
Specification:
Net Weight 1.06 oz (30 grams)
Intended Usage Marinade for grilling chicken, pork, and beef
Flavor Profile Smoky, savory, slightly sweet with garlic, onion, and red pepper
Preparation Instructions Combine with 1/4 cup water and vegetable oil to marinate 2 lbs of meat
Brand McCormick Grill Mates
Packaging Size 1.06 oz packet

As soon as I tore open the McCormick Grill Mates Mesquite Marinade Mix packet, I was greeted with a smoky, savory aroma that instantly made my mouth water. The little packet feels lightweight but sturdy, with a textured surface that hints at the bold flavors inside.

The blend of garlic, onion, and red pepper looks and smells like a flavor explosion waiting to happen.

Mixing it up was straightforward—just combine the packet with water, vegetable oil, and your choice of meat, then let it marinate. The smell during the marinating process was incredible, filling my kitchen with that signature mesquite scent.

It’s not overly sweet but has just enough richness to balance the smoky notes.

When grilling, I noticed that the marinade created a nice, caramelized crust on the meat, locking in moisture and flavor. The flavor profile is really well-rounded—smoky, a touch spicy, and slightly sweet, which pairs perfectly with London broil.

It’s simple to use, making it easy to elevate a basic cut into something special.

The marinade didn’t overpower the beef but enhanced its natural flavor, giving it a deep, smoky taste. Cleanup was minimal, and I appreciated that it didn’t leave any tough residue or mess.

Overall, it’s a reliable go-to for grilling, especially if you want that classic smoky, savory taste with minimal fuss.

McCormick Grill Mates Honey Sriracha Marinade Mix, 1 oz

McCormick Grill Mates Honey Sriracha Marinade Mix, 1 oz
Pros:
  • Easy to prepare
  • Delicious sweet and spicy flavor
  • Versatile for different meats
Cons:
  • Slightly sweet for some
  • Needs longer marination for deep flavor
Specification:
Main Ingredients Chili peppers, vinegar, garlic, honey, brown sugar
Serving Size Makes 2/3 cup marinade
Marinade Capacity Suitable for marinating 2 lbs of meat
Preparation Instructions Add 1/4 cup oil, 2 tbsp water, and 2 tbsp cider vinegar
Flavor Profile Sweet and spicy with heat from chili peppers
Usage Variations Swap lime juice for water for a tangy shrimp marinade

This Honey Sriracha Marinade Mix from McCormick Grill Mates has been sitting on my wishlist for a while, mainly because I love the idea of a sweet and spicy flavor combo for grilling. When I finally got around to trying it out on a London broil, I was curious if it would live up to the hype.

The first thing I noticed was how easy it was to mix up. Just a quick stir with 1/4 cup oil, 2 tbsp water, and 2 tbsp cider vinegar, and I had a rich, fragrant marinade.

The blend of chili peppers, honey, garlic, and brown sugar creates a vibrant aroma that instantly makes you want to get grilling.

Applying it to the meat was straightforward, and I liked how the marinade coated evenly with minimal effort. The flavor penetrates well, giving the London broil a noticeable boost of sweetness and heat.

It’s perfect if you want a marinade that’s flavorful but not overpowering.

When grilling, I found that the marinade caramelized nicely, adding a slight char that enhanced the overall taste. I tried swapping lime juice for water for a tangier kick, and that worked just as well for seafood or shrimp skewers.

Overall, this mix delivers a balanced flavor profile that’s versatile enough for chicken, pork, or seafood. It’s quick to prepare, tastes great, and adds that perfect touch of sweet-spicy heat.

If you’re after a reliable marinade for London broil, this one’s definitely worth a shot.

McCormick Grill Mates Marinade, Brazilian Steakhouse, 30

McCormick Grill Mates Marinade, Brazilian Steakhouse, 30
Pros:
  • Easy to use
  • Bold, authentic flavor
  • Perfect for quick marinades
Cons:
  • Slightly tangy for some
  • Limited to one use
Specification:
Marinade Type Liquid marinade in a single-use pouch
Flavor Profile South American, bold with vinegar, spices, garlic, and lime juice
Marinating Time 30 minutes
Suitable Meats Beef (flank, sirloin, skirt), pork, chicken, shrimp
Package Size 30 pouch units (implying total quantity, likely around 30 servings)
Usage Instructions Pour over 1 to 2 pounds of meat, marinate for 30 minutes, then grill

As I tore open the McCormick Grill Mates Brazilian Steakhouse marinade pouch, the zesty aroma of lime, garlic, and spices immediately hit me—this isn’t your average marinade. I decided to try it on a thick London broil, eager to see if it could deliver those bold, South American flavors I’d been craving.

Dumping the marinade over the steak was effortless—no measuring, no fuss. The pouch’s design made it easy to pour and pour out just the right amount.

I let it sit for about 30 minutes, just enough time for the spices to work their magic without turning into a long waiting game.

When grilled, the steak developed a beautiful char with a tangy, flavorful crust. The marinade penetrated nicely, adding a bright citrus kick balanced by savory garlic and spices.

It was tender, juicy, and bursting with flavor from first bite to last. I also tried it on chicken and shrimp, and each turned out equally flavorful, proving its versatility.

What really stood out is how convenient the single-use pouch is—no leftover bottles cluttering the fridge. Plus, the bold flavors made every bite feel like a mini trip to a South American steakhouse.

If you enjoy a quick marinade that packs a punch, this is a winner. However, it might be too tangy for those who prefer milder flavors or a more subtle marinade.

What Are the Essential Ingredients for the Best Marinade for London Broil?

Fresh herbs bring a vibrant touch to the marinade, adding aromatic qualities that elevate the dish. Herbs like rosemary and thyme can infuse the meat with a fresh taste that pairs wonderfully with the richness of the London broil.

How Does a Marinade Affect the Flavor and Tenderness of London Broil?

A marinade significantly enhances the flavor and tenderness of London broil by infusing it with various ingredients and breaking down tough muscle fibers.

  • Acidic Components: Ingredients like vinegar, citrus juice, or yogurt are common in marinades and serve to tenderize the meat. The acid helps to denature proteins, making them more tender while also adding a tangy flavor that complements the beef.
  • Fat Content: Oils or fats in marinades, such as olive oil, not only add richness to the flavor but also help in the absorption of other flavors. They create a barrier that locks in moisture during cooking, which is crucial for achieving a juicy London broil.
  • Seasonings and Aromatics: Herbs, spices, garlic, and onions contribute to the overall flavor profile of the marinade. These ingredients infuse the meat with aromatic qualities, enhancing the taste and making each bite more enjoyable.
  • Marinating Time: The duration of marination plays a crucial role in the effectiveness of the process. A longer marination time allows for deeper penetration of flavors and further breakdown of tough fibers, leading to a more flavorful and tender result.
  • Salt Content: Salt is a vital component in most marinades as it helps to enhance the overall flavor and assists in the tenderization process. It can draw moisture into the meat, resulting in a juicier and well-seasoned London broil.

What Is the Recommended Marinating Time for London Broil?

In terms of solutions and best practices, it is recommended to always marinate in the refrigerator to prevent bacterial growth. Using a resealable plastic bag can help ensure that the marinade fully envelops the meat. For those looking to experiment, adding ingredients like honey or mustard can create unique flavor profiles, while incorporating fresh herbs can elevate the dish further. Regularly testing different marinades can help identify personal preferences, leading to the perfect grilled London broil.

How Can You Personalize Your Marinade for London Broil to Suit Your Taste?

Personalizing your marinade for London broil allows you to create a flavor profile that suits your unique tastes. Here are some key components to consider when customizing your marinade:

  • Acid: Choose from options like vinegar, citrus juice, or yogurt. For a tangy kick, red wine vinegar or lime juice works well. If you prefer a milder flavor, try using apple cider vinegar.

  • Oil: Olive oil is a classic choice, but consider experimenting with sesame oil for a nutty undertone or avocado oil for a buttery richness.

  • Sweetness: Balancing acidity with sweetness is crucial. Brown sugar, honey, or maple syrup can add depth. If you’re looking for a hint of spice, try adding a splash of pineapple juice.

  • Herbs and Spices: Fresh herbs such as rosemary, thyme, or cilantro enhance flavor significantly. Dried spices like garlic powder, onion powder, black pepper, or even a pinch of cayenne can add an extra layer of complexity.

  • Umami: Incorporate soy sauce, Worcestershire sauce, or even miso paste for depth. These ingredients can elevate the flavor, making it more savory.

  • Heat: Adjust the spice level by adding crushed red pepper flakes or hot sauce, if you enjoy heat.

Experiment with combinations of these elements until your ideal marinade emerges, catering specifically to your personal preferences.

What Are Some Tried and True Marinade Recipes for London Broil?

The Balsamic Vinegar Marinade provides a sweet and tangy flavor that can elevate the taste of London broil. The brown sugar in the marinade caramelizes on the grill, creating a beautiful crust, while the Dijon mustard adds a subtle kick that complements the richness of the beef.

Lastly, the Spicy Chipotle Marinade is perfect for those who enjoy a bit of heat in their meals. The smokiness from the chipotle peppers enhances the grilled flavor of the meat, while lime juice adds brightness, making it a lively and exciting option for your London broil on the grill.

What Tips Can Ensure Perfect Grilling of London Broil?

To achieve perfect grilling of London broil, consider the following tips:

  • Choose the Right Cut: Selecting a good quality cut of London broil is crucial for flavor and tenderness. Look for a cut that has a good marbling of fat, as this will enhance the juiciness and flavor during grilling.
  • Marinate Adequately: The best marinade for London broil typically includes acidic ingredients like vinegar or citrus juice, which help to tenderize the meat. Allow the meat to marinate for at least 4 to 6 hours, or overnight for the best results, to ensure deep flavor penetration.
  • Preheat the Grill: Properly preheating the grill is essential for achieving that perfect sear. Aim for a high heat setting, around 450-500°F, to create a nice crust on the outside of the meat while keeping the inside juicy.
  • Use Direct Heat: When grilling London broil, use direct heat to cook the meat quickly and achieve those desirable grill marks. Searing both sides for a few minutes before moving it to a cooler part of the grill can help cook it evenly.
  • Monitor Internal Temperature: Use a meat thermometer to check the internal temperature of the London broil. Aim for 130-135°F for medium-rare, as the meat will continue to cook slightly after being removed from the grill.
  • Rest Before Slicing: Allow the grilled London broil to rest for 5-10 minutes before slicing. This lets the juices redistribute throughout the meat, ensuring a more tender and flavorful eating experience.
  • Slice Against the Grain: To maximize tenderness, always slice the London broil against the grain. This shortens the muscle fibers and makes each bite easier to chew.

What Common Mistakes Should You Avoid When Grilling London Broil?

When grilling London broil, avoiding common mistakes can significantly enhance your cooking experience and the final flavor of the meat.

  • Not Marinating Long Enough: A common mistake is skimping on the marinating time, which should ideally be at least four hours, but overnight is even better. This allows the flavors to penetrate the meat and helps in tenderizing it, making for a more flavorful and juicy result.
  • Using Too High Heat: Grilling at excessively high temperatures can lead to a charred exterior while leaving the inside undercooked. London broil benefits from medium-high heat, allowing it to cook evenly without burning, which helps achieve that perfect medium-rare finish.
  • Skipping the Resting Period: Many people cut into the meat immediately after grilling, which can cause the juices to run out. Letting the London broil rest for at least 10 minutes after grilling allows the juices to redistribute, making each slice more succulent and flavorful.
  • Not Slicing Against the Grain: Slicing with the grain can result in tougher, chewier bites. Always slice against the grain of the meat, which shortens the muscle fibers and leads to a more tender eating experience.
  • Overcooking: Overcooking London broil can lead to a dry and tough result. Since it’s a lean cut, it is best cooked to medium-rare, around 135°F, and then removed from the grill to finish cooking slightly while resting.
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