Bold, juicy, and packed with savory flavor, London broil is a classic beef recipe that transforms an affordable cut into a tender, steakhouse-quality meal. Marinated in a rich garlic-soy blend and cooked quickly over high heat, this recipe delivers beautifully charred slices perfect for weeknight dinners or backyard grilling.

Recipe Details

Prep Time	15 Minutes
Marinate Time	4–12 Hours
Cook Time	10–15 Minutes
Rest Time	10 Minutes
Total Time	About 30 Minutes + Marinating
Servings	6

Ingredients

For the London Broil

• 2–3 pound London broil (top round or flank steak)
• 1 tablespoon olive oil

Marinade

• 1/3 cup soy sauce
• 1/3 cup balsamic vinegar
• 3 tablespoons olive oil
• 2 tablespoons Worcestershire sauce
• 4 garlic cloves, minced
• 1 tablespoon brown sugar
• 1 teaspoon black pepper
• 1 teaspoon smoked paprika
• 1 teaspoon dried oregano
• 1/2 teaspoon red pepper flakes (optional)

Instructions

1. Marinate the Beef

In a medium bowl, whisk together:

• Soy sauce
• Balsamic vinegar
• Olive oil
• Worcestershire sauce
• Garlic
• Brown sugar
• Black pepper
• Smoked paprika
• Oregano
• Red pepper flakes

Place the London broil in a resealable bag or shallow dish and pour marinade over the meat.

Refrigerate for at least 4 hours, preferably overnight for maximum tenderness and flavor.

2. Prepare for Cooking

Remove steak from refrigerator 30 minutes before cooking.

Preheat grill or broiler to high heat.

500∘F

Lightly oil grill grates or broiler pan.

3. Cook the London Broil

Remove steak from marinade and pat dry lightly.

Grill or broil for:

• 5–7 minutes per side for medium-rare
• 7–8 minutes per side for medium

Cook until internal temperature reaches:

130∘F

for medium-rare.

4. Rest the Steak

Transfer steak to a cutting board and rest for 10 minutes before slicing.

Resting helps preserve juices and tenderness.

5. Slice & Serve

Slice very thinly against the grain at a slight angle.

Serve warm with your favorite sides.

Serving Suggestions

London broil pairs perfectly with:

• Garlic mashed potatoes
• Grilled asparagus
• Roasted Brussels sprouts
• Herb butter mushrooms
• Rice pilaf
• Crusty artisan bread
• Chimichurri sauce

Pro Tips

• Always slice against the grain for the most tender texture.
• Overnight marinating dramatically improves flavor.
• Avoid overcooking since London broil is naturally lean.
• A meat thermometer ensures perfect doneness.
• Let the steak rest fully before slicing.

Storage & Reheating

Refrigerate

Store leftovers in an airtight container up to 4 days.

Freeze

Freeze sliced steak up to 3 months.

Reheat

Warm gently in a skillet with a splash of beef broth to retain moisture.