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French Onion Soup Burgers

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French Onion Soup Burgers deliver a mouthwatering experience that combines the comforting flavors of classic French onion soup with the satisfying crunch of a gourmet burger. Juicy beef patties are topped with sweet caramelized onions and melted Gruyère cheese, all nestled within toasted brioche buns for an unforgettable meal. Whether you’re hosting a dinner party or enjoying a weeknight treat, these burgers are sure to impress with their rich umami profile and customizable toppings. Easy to prepare in under an hour, they offer both flavor and convenience, making them a great addition to your culinary repertoire.

Ingredients

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  • 2 large yellow onions
  • 2 tablespoons butter
  • 1 tablespoon olive oil
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 teaspoon fresh thyme
  • 1/2 cup beef broth
  • 1 1/2 pounds ground beef
  • 4 slices Gruyère cheese
  • 4 brioche buns

Instructions

  1. Caramelize the onions: In a skillet, melt butter and olive oil over medium-low heat. Add sliced onions, salt, and pepper; cook for 25–30 minutes until golden brown.
  2. Add thyme and broth: Stir in thyme and beef broth, scraping up browned bits. Cook for an additional 3–4 minutes until reduced slightly; keep warm.
  3. Prepare patties: Preheat grill or skillet to medium-high. Mix ground beef with Worcestershire sauce, salt, and pepper; form into 4 patties.
  4. Cook patties: Grill patties for about 4–5 minutes per side. During the last minute, top each patty with cheese and cover to melt.
  5. Assemble burgers: Place patties on toasted brioche buns, top with caramelized onions, and add your favorite condiments.

Nutrition

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