1. Cook tortellini according to package directions; drain and set aside.
2. Heat cream in a large skillet over low heat. Gradually sprinkle in cheese, stirring constantly, until blended. Simmer, stirring occasionally, 15 to 20 minutes.
3. Add tortellini, prosciutto, and artichoke hearts; simmer, stirring occasionally, 5 to 10 minutes or until sauce is slightly reduced. Serve immediately.