American · United States
Grilled Onion & Mushroom Burger with Crusty Brioche
A juicy beef patty topped with caramelized onions and sautéed mushrooms, served on a toasted brioche bun for a rich, gourmet twist on a classic burger.
35 minutes4 servings

Ingredients
Method
- Heat a skillet over medium heat and add butter and olive oil.
- Add onions and cook until caramelized, about 10 minutes. Set aside.
- In the same skillet, cook mushrooms until golden, about 5 minutes. Set aside.
- Form ground beef into 4 patties. Cook over medium-high heat until desired doneness, 3-4 minutes per side.
- Place a slice of cheddar on each patty and let melt.
- Toast brioche buns. Assemble with ketchup, mustard, onions, mushrooms, and patty.
- Serve immediately.
- Check that the ground meat reaches 71°C (160°F) throughout before serving.





