Back to RecipesFrench Onion Burger
French onion soup in burger form — a beef patty topped with a mountain of slow-caramelized onions in beef broth and thyme, melted Gruyère cheese, and a Dijon-herb aioli on a toasted bun. One of the most deeply flavored burgers in existence.
Total Time
60 min
Servings
4
Cuisine
French
Rating
No reviews yet
Prep Time
15 min
Cook Time
45 min
Total Time
60 min
Ingredients
- 600g ground beef
- 4 large onions, thinly sliced
- 4 slices Gruyère cheese
- 3 tbsp butter
- 100ml beef broth
- 1 tsp fresh thyme
- 4 brioche buns
- Dijon aioli: 3 tbsp mayo, 1 tsp Dijon, 1 tsp fresh thyme
- Salt and pepper
Instructions
- 1
Caramelize onions in butter over low heat 35–40 minutes, stirring occasionally.
- 2
Add beef broth and thyme. Cook 5 more minutes until absorbed.
- 3
Form beef into 4 patties. Season with salt and pepper.
- 4
Cook patties 3–4 minutes per side. Add Gruyère in last minute.
- 5
Toast buns. Spread Dijon aioli.
- 6
Top patty generously with caramelized onions.
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🛒 Recommended Equipment
Cast Iron Skillet (12-inch)
Unbeatable sear — a lifetime investment
Instant-Read Meat Thermometer
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Grill Tongs (16-inch)
Long-handled for safe grilling
Chef's Knife (8-inch)
The most important tool in any kitchen
Cutting Board (Large Wood)
Sturdy, gentle on knife edges
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