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French Onion Burgers

Generously seasoned burgers topped with caramelized onions and melted gruyere.
Prep Time10 minutes
Cook Time35 minutes
Total Time45 minutes
Course: Main Course, Sandwiches
Cuisine: American
Servings: 4

Ingredients

Caramelized Onions

  • 2 large sweet onions, thinly sliced
  • 1 tablespoon of olive oil
  • 1 tablespoon of granulated sugar
  • salt and black pepper
  • 1 tablespoon of balsamic vinegar (optional)
  • stock, chicken, beef or vegetable (optional)

Garlic & Onion Burgers

  • 16 ounces of ground beef
  • 2 cloves of garlic, finely minced
  • 2 tablespoons of dried onions flakes
  • 1 teaspoon of onion powder
  • 1 teaspoon of garlic powder
  • 1 tablespoon of Worcestershire sauce
  • salt and black pepper

Assembly

  • 4 ounces of Gruyere, shredded
  • 4 brioche burger buns
  • mayonnaise
  • leafy green lettuce
  • fresh thyme (optional)

Instructions

Make the caramelized onions...

  • Place a large skillet over medium heat and add a tablespoon of olive oil 
  • Add the thinly sliced onions and season with a tablespoon of granulated sugar and a generous pinch of salt and black pepper 
  • Cook, stirring occasionally, for about 30 minutes or until the onions are soft and deeply golden brown. Add a splash of stock if the skillet becomes dry (reduce the heat, if necessary)
  • Add a tablespoon of balsamic vinegar, cook for another 5 minutes and then transfer the caramelized onions off of the heat

Make the burgers...

  • In a large bowl, combine 16 ounces of beef with 2 cloves of finely minced garlic, 2 tablespoons of dried onion flakes, 1 teaspoon of onion powder, 1 teaspoon of garlic powder, 1 tablespoon of Worcestershire sauce and a generous pinch of salt and black pepper 
  • Divide the mixture into 4 equal portions 
  • Form each portion into patties 
  • Place a large skillet over medium to medium high heat and once the skillet is warm, place the patties down leaving space in between each 
  • Cook for 2-3 minutes or until the underside is crisp and golden brown
  • Flip the patties and cook to your desired level of doneness 

Assemble the burgers...

  • Turn the heat off, but leave the skillet on the burner 
  • Top each burger with caramelized onions and shredded Gruyère 
  • Cover the skillet for about 60 seconds to allow the Gruyère to melt
  • Transfer the burgers onto brioche buns garnished with mayonnaise and lettuce