Det Burgers

Directions

1. 1
   Heat 2 tablespoons of the oil in a large skillet over high heat until hot.
2. 2
   Reduce the heat to medium; add the onion and cook, stirring occasionally, until softened, about 5 minutes.
3. 3
   Increase the heat to medium-high; add the mushrooms and cook, stirring, until the mushrooms have browned and the liquid they release has evaporated, 4 to 5 minutes.
4. 4
   Season the mushroom mixture with salt and pepper to taste and transfer it to a bowl; add the chiles and olives and set aside.
5. 5
   Wipe out the skillet.
6. 6
   Gently shape the beef into four 4-inch burgers; season with salt and pepper.
7. 7
   Heat the remaining tablespoon of oil in the skillet over high heat until hot.
8. 8
   Reduce the heat to medium-high, add the burgers, and cook 3 minutes.
9. 9
   Turn the burgers and cook 2 minutes.
10. 10
    Top each with a quarter of the chile mixture and a slice of cheese.
11. 11
    Add the beer to the skillet; cover and steam until the cheese has melted, about 3 minutes.
12. 12
    Transfer the burgers to the toasted buns and serve.