Step 1

Mix the marinade ingredients: soy sauce, olive oil, Worcestershire sauce, lemon juice, Dijon mustard, minced garlic, black pepper, rosemary, and thyme.

Step 2

Place the meat in a dish and pour the marinade over it, ensuring it's fully covered. Cover and refrigerate for at least 4 hours, or overnight for the best flavor.

Step 3

Heat your grill to medium-high.

Step 4

Remove the London Broil from the marinade and shake off any excess sauce.

Step 5

Grill for about 5-7 minutes on each side, or until done to your liking (aim for 135°F internal temperature for medium-rare).

Step 6

When it's done, let it rest for 5 minutes before slicing it thinly across the grain.

Step 7

Serve it warm and enjoy the delicious flavors of Pioneer Woman London Broil with family and friends.