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London Broil with Sautéed Onions

Broiled flank steak, with a simple marinade and caramelized onions.
Course Main Course
Cuisine American
Keyword flank steak, gluten free, london broil, low carb
Prep Time 5 minutes
Cook Time 20 minutes
Total Time 25 minutes

Equipment

  • Cast iron skillet

Ingredients

  • 2 Tbsp olive oil
  • 2 tsp lemon juice
  • 2 cloves garlic, minced
  • 1/2 tsp salt
  • 1/4 tsp black pepper
  • 2 lb flank steak, scored
  • 1 large onion, thinly sliced
  • 3 dashes Worcestershire sauce
  • salt & pepper, to taste

Instructions

  • Stir together olive oil, lemon juice, garlic, salt and pepper. Place rack 2- 3 inches from heat source, preheat broiler.
  • Place meat in cast iron skillet. Brush top side of meat with half the oil mixture. Broil meat 2 to 3 inches from heat about 5 minutes or until browned. While meat is cooking, slice onions.
  • Turn meat, brush with oil mixture and broil 5 to 6 minutes longer.
  • When meat is finished, remove meat to cutting board to rest. While meat is resting, sauté onions, along with 2-3 dashes Worcestershire sauce, over high heat in cast iron skillet. Season with salt and pepper. Cook, stirring frequently, about 10 minutes or until onions are softened and caramelizing.
  • Thinly slice meat against the grain.
  • Optional: Once onions are done, quickly touch the sliced meat (15-30 seconds per side) back into the pan to add the oniony flavor. Leave in pan longer for medium to well-done meat.
  • Serve with onions.