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La Fournée Dorée » Our Recipes » Spicy Caramelized Onion Burgers

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For an even more indulgent version, add a few slices of crispy bacon or a handful of arugula. The caramelized onions can also be prepared ahead of time: they keep for up to 4 days in the refrigerator and taste even better the next day.

Spicy Caramelized Onion Burgers

2 servings
20 min
Moyen
Ingredients
  • 2 La Fournée Dorée Sesame Brioche Buns
  • 2 beef patties (150–180 g each)
  • 2 slices of cheddar cheese
  • A few lettuce leaves
  • 2–3 tomato slices (optional)

For the spicy caramelized onions

  • 2 large yellow onions, thinly sliced
  • 1 tbsp butter
  • 1 tbsp olive oil
  • 1 tbsp brown sugar
  • ½ tsp smoked paprika
  • ¼ to ½ tsp chili flakes (depending on desired spice level)
  • A pinch of cayenne pepper (optional)
  • Salt and pepper
  • 1 tbsp balsamic vinegar

Sauce

  • 2 tbsp mayonnaise
  • 1 tsp Dijon mustard
  • 1 tsp sriracha sauce
  • ½ tsp honey

Preparation

1. Caramelize the onions

  • Heat the butter and olive oil in a pan over medium heat.
  • Add the onions with a pinch of salt.
  • Cook for 15 to 20 minutes, stirring regularly.
  • Add the brown sugar, smoked paprika, chili flakes, and cayenne pepper.
  • Pour in the balsamic vinegar and cook for another 2 to 3 minutes, until the onions are soft and caramelized.

2. Prepare the sauce

  • Mix all the ingredients together in a small bowl.

3. Cook the burgers

  • Season the patties with salt and pepper.
  • Cook for 3 to 4 minutes on each side (depending on desired doneness).
  • Add the cheddar during the last minute of cooking and cover to allow it to melt.

4. Assemble the burgers

  • Lightly toast the buns.
  • Spread the sauce on both sides of the bun.
  • Add the lettuce, burger patty, a generous portion of caramelized onions, and tomatoes if desired.
  • Close the burger and serve immediately.

Suggested sides

  • Paprika-seasoned oven fries
  • Roasted sweet potatoes
  • Creamy coleslaw
  • Crunchy pickles

Enjoy !

plant-based