Preheat the oven to 375 degrees F.
Mix the sliced garlic, Parmigiano, parsley, and extra-virgin olive oil loosely.
Season the cavity of each artichoke with salt and pepper and stuff in and around the leaves with cheese/garlic mixture. Put the artichokes in a shallow baking dish, place in preheated oven and bake for 45 minutes. Remove and let rest 10 minutes. Serve immediately, or serve at room temperature as an antipasto.