Heat the slow cooker or the skillet and add in the butter and avocado oil. Sear the London Broil for a few minutes on each side, or until each side is browned. With the roast in the slow cooker, add in the onion and the garlic. In a small bowl, mix together the beef broth, tomato paste, balsamic vinegar, brown sugar and Worcestershire.
London Broil Ingredients 1 Soy Sauce: A sweet and salty liquid sauce that adds so much flavor to this . 2 Lemon Juice: Sweet and juicy add in. 3 Olive Oil: Helps add the olive flavoring but also soaks in the steak. 4 Worcestershire Sauce: Flavored with various seasonings mixed with a vinegar base. 5 Garlic: minced More items...
Originally, London broil steak was made with flank steak, but now it really refers to the cooking method more than the cut. Some butchers will label top round, coulotte, or other cuts as London broil. This section explains how to choose the best ingredients for marinating London broil, what each one does in the recipe, and substitution options.
London Broil is not necessary the type of meat it is but the way you cook it. It is usually known as flank or top round steak that is marinated over night and then broiled on a high temperature in the oven.