Description
Savory French onion soup burgers merge classic bistro flavors into a hearty burger experience. Caramelized onions, melted gruyère, and rich beef patties create a delectable crossover between soup and sandwich that satisfies deeply.
Ingredients
Scale
- 1 lb (450 g) ground beef (80/20 for juiciness)
- 4 slices gruyere or swiss cheese
- 2 large onions, thinly sliced
- 2 tbsps unsalted butter
- 1 tbsp olive oil
- 1 tsp sugar
- ¼ cup beef broth
- 1 tsp garlic powder
- ½ tsp onion powder
- 1 tbsp worcestershire sauce
- 4 brioche buns
- ½ tsp salt
- ¼ tsp black pepper
- 2 tbsps dijon mustard (optional)
- 2 tbsps mayonnaise (optional)
- Fresh thyme or parsley (optional, for garnish)
Instructions
- Caramelize Onions: Sauté yellow onions in butter and olive oil over medium heat, sprinkling sugar to enhance sweetness. Season with salt and pepper, stirring occasionally until onions reach a deep golden-brown color and develop an intensely sweet flavor.
- Create Onion Sauce: Deglaze the skillet with beef broth, scraping up browned bits and allowing liquid to reduce, creating a concentrated flavor profile. Set aside the caramelized onion mixture.
- Prepare Burger Patties: Mix ground beef with garlic powder, onion powder, Worcestershire sauce, salt, and pepper. Form four robust patties slightly larger than the buns to account for shrinkage during cooking.
- Cook Burgers: Heat skillet or grill pan to medium-high. Cook patties 3-4 minutes per side, achieving desired doneness. During final moments, top each patty with Gruyere cheese and cover briefly to create a perfectly melted cheese layer.
- Toast Buns: Lightly crisp brioche buns in the same pan, developing a golden-brown exterior.
- Assemble Burgers: Spread Dijon mustard and mayonnaise on bottom bun. Place cheese-topped patty and generously spoon caramelized onions on top. Optionally garnish with fresh thyme or parsley.
- Serve: Present immediately with crispy french fries or a fresh side salad, ready to be enjoyed.
Notes
- Master Caramelization Technique: Low and slow heat is crucial for developing deep, sweet onion flavor without burning. Stir frequently and watch carefully during the 20-25 minute cooking process.
- Prevent Burger Shrinkage: Make patties slightly larger than buns and create a small dimple in the center to help maintain even shape during cooking, preventing them from puffing up.
- Cheese Melting Hack: Cover the skillet briefly with a lid when adding Gruyere to create steam, ensuring smooth, complete cheese melting without overcooking the burger.
- Balance Flavor Layers: Apply Dijon mustard and mayonnaise to the bottom bun to create a moisture barrier and add an extra flavor dimension that complements the rich caramelized onions and beef.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Lunch, Dinner, Appetizer
- Method: Sautéing
- Cuisine: French
Nutrition
- Serving Size: 5
- Calories: 550
- Sugar: 3 g
- Sodium: 800 mg
- Fat: 32 g
- Saturated Fat: 14 g
- Unsaturated Fat: 10 g
- Trans Fat: 1 g
- Carbohydrates: 36 g
- Fiber: 2 g
- Protein: 30 g
- Cholesterol: 100 mg