Ingredients
- 2 lbs flank steak
- 1 pint of Guinness beer
- 2 large red onions, cut into 1/2 inch rounds and skewered through the middle
- 1 5.2-ounce container Boursin cheese, frozen
- 4 Ciabatta rolls
- Arugula
- Olive oil
- Kosher salt
- Freshly ground black pepper
Description
Serious Eats
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