Place a slice of Swiss cheese on each patty and let it melt.
Place the burger patties on the bottom halves of the toasted brioche buns.
Top each patty with a generous amount of the caramelized onions.
Garnish with chopped fresh parsley.
Serve and Enjoy:
Place the top halves of the buns on the burgers.
Serve immediately, paired with your favorite sides like fries or a fresh salad.
Enjoy these mouthwatering French Onion Soup Burgers, a perfect blend of juicy beef, melty cheese, and sweet caramelized onions that’ll make every bite unforgettable!
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