One of your local mirrors listed in /etc/apt/sources.list.d/*.list or /etc/apt/sources.list probably uses https (not a very common scenario for package mirrors), in which case you need the package mentioned above (apt versions below 0.9.15.3 fell back to plain http, if https was unavailable).
Line a broiler pan with aluminum foil, add the top, and spray the top with nonstick cooking spray. Broil the steak 4 to 6 minutes per side: Remove the steak from the marinade, shake off any excess, and place it in the middle of the broiler pan. Slide it directly under the broil. Cook for 4 to 6 minutes, flip it over, and broil for another 4 to 6 minutes (8 to 12 minutes total). Check the steak for doneness: The steak is done when the edges are charred and crispy, and you see some nicely dark searing on the top.
London broil only needs four to five minutes of cooking time on each side. Set a timer to help you remember when to flip it. Overcooking renders this cut very tough no matter how long it marinates, so keep track of the time. An eight minute steak will cook to rare while 10 minutes gives you a medium rare steak.dvertisement. Food enthusiasts will be quick to tell you that London broil is not a cut of beef, but a cooking method. Tough pieces of meatâcommonly, flank or top round steakâare left to marinate overnight, are then broiled under high heat and served by thinly slicing the meat âacross the grain.â.