Risotta Cacio E Pepe with Mushrooms & Arugula

Serves 4

1 tbsp (15 mL) black peppercorns, toasted

1 lb (455 g) mixed fresh mushrooms such as cremini, enoki, king, oyster and shiitake

Kosher salt

2 tbsp (30 mL) olive oil

1 tsp (5 mL) chopped garlic

¼ cup (60 mL) chopped shallots

1½ cups (375 mL) risotto rice

½ cup (125 mL) white wine

6 cups (1.5 L) warm chicken stock, divided

¼ cup (60 mL) finely grated

Parmigiano-Reggiano

¼ cup (60 mL) grated pecorino

3 cups (750 mL) arugula