Our delicious London Broil Burger with Cheese and Caramelized Onions recipe will have your mouth watering and wanting seconds! Simple yet bursting with flavors from start to finish.

(Prep time 5 Min | Cook Time 15 Min | Serves 1)

Ingredients

  • 4 slices Top Round London Broil
  • 2 slices Provolone Cheese
  • 1 tbsp Butter
  • 1 tbsp Olive Oil
  • 1 Small Onion, thinly sliced
  • 1 tsp Salt
  • 1 Seeded Bun, Sliced in half
  • 2 tbsp Horseradish Sauce
  • 2 leaves Green Leaf Lettuce

Directions:

  • Add butter and olive oil to a large skillet over medium heat.
  • Add in sliced London Broil and cook on each slide for about 4-5 minutes or until cooked through. Once cooked set aside.
  • In the same large skillet over medium heat add the sliced onions and a pinch of salt. Stir the onions frequently until they are golden brown.
  • Toast the seeded bun in a toaster until golden brown. Set aside.
  • Spread 1 tbsp of horseradish on each side of the bun slices.
  • On the bottom slice of the bun layer 1 tbsp caramelized onions on top, then lettuce, provolone cheese, and London Broil.
  • Top with 2 tbsp of caramelized onions and crown with the top half of the bun.
  • Sit back, and enjoy your London Broil Burger with Cheese and Caramelized Onions!

Don’t feel like cooking? Mario’s is not just a meat market. We have an extensive deli and hot bar menu, and breakfast food items, as well! Choose from delicious, hand-made Italian deli specialties that are sure to delight your taste buds, making you come back again and again. Browse our deli menu here!