01 -
To a small bowl, add garlic, soy sauce, olive oil, balsamic vinegar, paprika, salt, and pepper. Mix until combined.
02 -
To a zippered plastic bag, add the London broil and marinade. Refrigerate for at least 2 hours, up to overnight.
03 -
Take the London Broil out of the refrigerator about 30 minutes before cooking to allow it to come to room temperature.
04 -
Preheat your oven to broil, positioning the rack in the middle of the oven.
05 -
Remove the London Broil from the marinade and discard the marinade.
06 -
To a large skillet over high heat, add the extra tablespoon of oil. When hot, sear the London Broil on both sides until browned, about 1-2 minutes per side.
07 -
Transfer the skillet to the middle rack in the preheated oven. Broil for 10-12 minutes, flipping halfway, or until the internal temperature reaches 135°F (medium rare), or your desired doneness.
08 -
Remove the London Broil from the oven and let it rest for 10 minutes.
09 -
Slice against the grain into ¼-inch pieces and garnish with parsley. Top with cowboy butter if desired.