Grilled London Broil With Caramelized Onions

• 4 lbs london broil beef
• marinade
• 1/2 cup ketchup
• 1/3 cup vinegar
• 1/4 cup oil
• 3 tablespoons mustard
• 3 tablespoons soy sauce
• 3 tablespoons Worcestershire sauce
• 1 tablespoon grated horseradish
• 2 tablespoons honey
• 1 teaspoon grated ginger
• 3 garlic cloves, minced
• 1 teaspoon black pepper
• 1 teaspoon onion powder
• 1 tablespoon dried parsley flakes
• caramelized onion (Caramelized Onions) (optional)

1. Mix all marinade ingredients together and place in a gallon size zip lock.
2. Score meat on both sides then place into bag with marinade.
3. Refrigerate overnight.
4. Remove meat from marinade and bring marinade to a boil and simmer till meat is cooked.
5. Grill meat on high heat for 3-5 minutes on each side turning only once.
6. Meat registers 120-125 degrees F.
7. Let sit 10 minutes before cutting very thin slices on the bias.
8. Serve with caramelized onions and sauce.

beef, marinade, ketchup, vinegar, oil, mustard, soy sauce, worcestershire sauce, horseradish, honey, ginger, garlic, black pepper, onion powder, parsley flakes, caramelized onion

Taken from www.food.com/recipe/grilled-london-broil-with-caramelized-onions-92826 (may not work)