In the morning that you plan to cook the steak, combine the oil, soy sauce, A-1, Worcestershire, and garlic in a gallon-sized Ziplock bag or in a baking dish. Mix until well combined.
½ c vegetable oil, ¼ c soy sauce, 1 tablespoon A-1 sauce, 1 tablespoon worcestershire sauce, 1 clove garlic