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French Onion Soup Burgers

French Onion Soup Burgers
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French Onion Soup Burgers blend the rich, savory flavors of caramelized onions, melted Swiss cheese, and juicy beef patties to capture the essence of classic French onion soup in a comforting burger. Perfect for cozy dinners or entertaining guests, this recipe delivers complex tastes with a gourmet twist.

Ingredients

Scale

Main Ingredients

  • 1 lb 80/20 ground beef
  • 2 large yellow onions, thickly sliced
  • 4 slices Swiss cheese
  • 1 cup beef broth
  • 4 burger buns, soft and slightly toasted
  • 2 tbsp butter
  • 2 cloves garlic, minced
  • 1 tsp fresh thyme leaves
  • Salt and pepper to taste

Instructions

  1. Caramelize the Onions: Thinly slice the yellow onions. Heat the butter in a skillet over medium heat and slowly sauté the onions with minced garlic, stirring occasionally, until they turn deep golden brown and sweet, about 30 to 40 minutes. Add beef broth during cooking to add richness.
  2. Prepare the Beef Patties: While the onions caramelize, form the ground beef into 4 evenly sized patties (4 to 6 ounces each). Season both sides with salt and pepper.
  3. Cook the Patties: Heat a grill or skillet over medium-high heat. Cook patties for 3 to 4 minutes on each side for medium doneness. Just before finishing, place Swiss cheese slices on top of each patty and allow to melt.
  4. Toast the Buns: Lightly butter the burger buns and toast them on a pan or grill until golden brown to add texture and prevent sogginess.
  5. Assemble the Burgers: Place each cheesy patty on the bottom bun. Generously pile caramelized onions on top, sprinkle fresh thyme leaves, then cover with the top bun. Serve immediately.

Notes

  • Patience is key when caramelizing onions to develop maximum sweetness and depth.
  • Use freshly ground 80/20 beef for juicy, flavorful patties.
  • Add Swiss cheese towards the end of cooking to ensure perfect melting without becoming rubbery.
  • Properly toasted buns help keep the burger sturdy and prevent sogginess.
  • Balance the amount of caramelized onions to avoid overly sweet or mushy burgers.

Nutrition

Keywords: French onion soup burger, caramelized onion burger, Swiss cheese burger, comfort food burger, gourmet burger

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