Risotto al Barolo (Red Wine Risotto)

Risotto al Barolo (my specialty & favorite) serves 6 INGREDIENTS: 1 yellow onion 2 cups Arborio Rice 2 glasses Barolo/Nebiolo or other dry red Piemontese wine 1 litre /32 oz. chicken stock/broth (preferably homemade) 3/4 stick of cold butter (cut into small pieces) 1/3 cup freshly grated Parmesan cheese (more for serving) Optional: 1/2 cup…