Cook tortellini according to package directions. Melt butter in skillet and cook garlic for 1 minute. Add Prosciutto and cook for 2 minutes. Add heavy cream and bring to a simmer. Cook until cream is reduced by half. Stir in 1/4 cup Parmesan and peas. Stir in reserved cooking liquid and tortellini and toss to coat.
Recipe Courtesy of Food Network Kitchens