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Tender London Broil with Rosemary Marinade Recipe

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4.9 from 64 reviews

This Easy Tender London Broil recipe features a flavorful marinated flank steak grilled to perfection. The beef is marinated in a savory blend of olive oil, soy sauce, garlic powder, black pepper, and fresh rosemary, then grilled for a juicy, medium-rare finish. Resting before slicing ensures maximum tenderness, making this a simple yet delicious dish perfect for a quick weeknight dinner or weekend cookout.

Ingredients

Beef

  • 1.5 lbs London Broil (flank steak or top round)

Marinade

  • 2 tbsp olive oil
  • 2 tsp garlic powder
  • 1/4 cup low-sodium soy sauce
  • 1 tsp freshly cracked black pepper
  • 2 tbsp fresh rosemary, finely chopped

Instructions

  1. Prepare Your Marinade: In a bowl, whisk together olive oil, soy sauce, garlic powder, black pepper, and fresh rosemary until well combined.
  2. Marinate Your Beef: Place the London Broil in a resealable bag or shallow dish and pour the marinade over it. Seal tightly and refrigerate for at least 4 hours or overnight to allow the flavors to penetrate and tenderize the meat.
  3. Preheat Your Grill: Heat your grill to medium-high temperature to ensure a good sear and even cooking.
  4. Grill to Perfection: Remove the beef from the marinade, letting the excess drip off. Place the steak on the grill and cook for 5-7 minutes per side for medium-rare doneness, targeting an internal temperature of about 130°F.
  5. Rest Before Slicing: Transfer the grilled steak to a cutting board and let it rest for 10 minutes. This helps the juices redistribute throughout the meat, ensuring tenderness. Slice thinly against the grain into strips before serving.

Notes

  • For best flavor and tenderness, marinate the beef overnight.
  • Use a meat thermometer to check for desired doneness accurately.
  • Slicing against the grain is crucial for tenderness in London Broil.
  • If you don’t have a grill, you can broil the beef in the oven or cook it in a hot skillet.
  • Leftover London Broil can be used in sandwiches, salads, or wraps.