Directions
Whisk all of the 'marinade' ingredients together in a bowl and then pour into a zip top bag. Place the london broil in with the marinade, seal the bag (release as much air as you can before sealing), massage the marinade into the meat, and place bag in the refrigerator for at least an hour and a half.
After two hours, remove from refrigerator and let sit at room temperature for 20 more minutes. Remove meat from the marinade and broil for 8-10 minutes per side.
In the meantime, pour the marinade into a pot and bring to a boil. Boil for about 5 minutes and remove the steak sauce from heat.
Once the meat is cooked. Let sit for 10 minutes before carving into 1/4 inch slices. Serve with steak sauce drizzled over steak.