Involtini of Beef

Name: Involtini of Beef
Ingredients: 1/4 cup olive oil; 2 tablespoons unsalted butter; 1 1/2 cups finely chopped peeled carrots (about 3); 1 cup finely chopped onion; 2 cloves garlic, minced; 1/3 cup freshly grated Parmesan; Salt and freshly ground black pepper; 8 (3 to 4-ounces each) beef scaloppini (from London Broil or Top Sirloin); All-purpose flour, for dredging; 1/2 cup dry white wine; 1 bay leaf; 1 (14 1/2-ounce) can diced tomatoes; 1/4 cup frozen peas; 1-ounce thinly sliced prosciutto, coarsely chopped