INGREDIENTS
•
2 bone-in chicken breasts, skin on, halved (about 10 ounces each)
•
Kosher salt and freshly ground black pepper
•
3 tablespoons unsalted butter
•
4 medium shallots, peeled and quartered lengthwise through the root (about 8 ounces)
•
2 sprigs fresh rosemary
•
3/4 cup chicken stock, plus 1/2 cup more if needed