(ADAPTED FROM MATTY MATHESON’S – A COOKBOOK Olive oil8 chicken legs Kosher salt and freshly ground black pepper1 cup (155 g) Cerignola olives, pitted1 Vidalia onion, diced1 red bell pepper, diced8 cremini mushrooms, sliced3 cloves garlic, peeled and sliced1 cup (240 ml) chicken stock4 cups (960 ml) Sunday Gravy (this page) without the meat1 tablespoon…