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mushroom swiss burgers

ClubFoody avatar
Recipe by
Francine Lizotte
@ClubFoody
Surrey South, BC

With a tasty onion-mushroom topping, these burgers are out of this world!

yield 4 burgers
prep time 15 Min
cook time 35 Min
method Barbecue

Ingredients For mushroom swiss burgers

  • 1 1/2 lb
    (750 g) lean ground beef
  • 2 Tbsp
    onion flakes
  • 1/2 Tbsp
    montréal steak spice
  • 1/2 tsp
    garlic powder
  • freshly ground black pepper, to taste and divided (i always use mixed peppercorns)
  • 3 Tbsp
    butter, divided
  • 2 c
    white onions, thinly sliced (lyonnaise cut)
  • ground himalayan sea salt, to taste
  • 3/4 lb
    cremini mushrooms, washed and sliced
  • 1 lg
    clove garlic, pressed
  • 1/2 Tbsp
    fresh rosemary, finely chopped
  • 1/2 Tbsp
    worcestershire sauce
  • 2 1/2 oz
    sherry or port wine
  • 8 slice
    swiss cheese
  • 4
    hamburger buns
  • 2 Tbsp
    mayo, or as needed

How To Make mushroom swiss burgers

  • 1
    In a large bowl, add ground beef, onion flakes, Montréal Steak Spice, garlic powder and freshly ground black pepper; mix until blended.
  • 2
    Form the mixture into 4 equal patties, cover with plastic wrap, and transfer to the fridge for at least 2 hours.
  • 3
    A few hours later, take the patties out of the fridge and let them get to room temperature.
  • 4
    In a large skillet over medium heat, add 2 tablespoons of butter and when it starts sizzling, add onions; season with salt. Stir to coat slices with butter and cook until soft, about 7 minutes, stirring often.
  • 5
    Add the mushrooms and cook for 2 minutes, stirring frequently. Add another tablespoon of butter, season with black pepper and mix until the butter is melted; cook for 3 minutes.
  • 6
    Add pressed garlic and sauté for 1 minute. Stir in rosemary before adding Worcestershire sauce and sherry. Cook for 6 to 7 minutes, stirring often.
  • 7
    Taste and adjust if necessary, reduce the heat to low and keep warm until needed.
  • 8
    Preheat the barbecue to 500ºF.
  • 9
    Place the patties on the grates, close the lid and grill them for about 6 to 7 minutes per side
  • 10
    Three minutes before the patties are done, place the hamburger buns on the top rack and also put a couple slices of Swiss cheese per patty, close the lid and continue grilling until the buns are nicely toasted and the cheese is melted.
  • 11
    To assemble, scoop up a generous amount of the mushroom mixture using a slotted spoon. For the top buns, spread on mayonnaise.
  • 12
    To view this tasty comfort food on YouTube, click on this link >>> https://youtu.be/gAGOmqD_D0c
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