Radicchio con Risotto - Mediterranean Diet and Culturein Tuscany and Umbria, Italy

Ingredients

• 1 medium potato, roughly chopped
• 1 carrot, roughly chopped
• 1 celery stalk, roughly chopped
• 1 medium zucchini, roughly chopped
• 1 tomato, roughly chopped
• ½ cup extra virgin olive oil, divided
• 2 quarts water
• 1 medium onion, diced
• 1 ¼ cups white rice, Arborio preferred
• ½ cup white wine
• 1 bunch radicchio, washed and cut into strips
• ¼ cup Parmesan cheese, optional