Pumpkin Risotto with Amarone Sauce

Name: Pumpkin Risotto with Amarone Sauce
Ingredients: 2 tablespoons olive oil; 1 small onion, finely chopped; 1 (3/4 to 1 pound) pumpkin, peeled and chopped into bite-sized pieces; 2 fresh bay leaves; 3 cups vegetable stock, plus 1 cup vegetable stock; 1 1/2 cups arborio rice; 3 tablespoons freshly grated Parmesan; 1 tablespoon butter; Sea salt; Freshly ground black pepper; 1 recipe Amarone sauce, recipe follows; 2 cups Amarone wine; Kosher salt; 1 teaspoon sugar; 1 bay leaf; 1/4 teaspoon ground cinnamon; 3 1/2 teaspoons all-purpose flour; 1 cup water