Jun 09 2026
RestaurantsBlacklock Covent GardenBlacklock Burger Recipe

Blacklock Burger Recipe

Time50m
Serves2

A double cheeseburger Blacklocked with onions caramelised in a healthy glug of vermouth.

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Ingredients

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Burger Components

Method

Preparation Steps

  1. 1

    Caramelize the Onions

    In a skillet over medium heat, add olive oil and sliced onions. Cook until they are soft and translucent, about 10 minutes. Add vermouth, reduce heat to low, and continue cooking until the onions are caramelized, about 15-20 minutes. Stir occasionally and season with salt and pepper.

  2. 2

    Prepare the Burger Patties

    In a bowl, combine the ground beef with salt and black pepper. Divide the mixture into two equal portions and shape them into burger patties.

  3. 3

    Cook the Burger Patties

    Preheat a grill or stovetop skillet over medium-high heat. Cook the burger patties for about 4-5 minutes on one side. Flip the patties, place a slice of cheddar and a slice of Swiss cheese on each patty, and cook for an additional 4-5 minutes or until the cheese melts and the burgers are cooked to your desired doneness.

  4. 4

    Assemble the Burger

    Toast the burger buns on the grill or skillet. Place each cheeseburger patty on the bottom half of the bun, top with the caramelized onions, and cover with the top half of the bun.

  5. 5

    Serve

    Serve the Blacklock Burgers hot with your favorite sides.

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