1Place meatballs in 4- to 6-quart slow cooker. Mix gravy, soup mix (dry) and sherry in medium bowl. Pour over meatballs; stir gently to mix.
2Cover and cook on low heat setting 3 hours 30 minutes to 4 hours 30 minutes or until meatballs are hot. Meatballs will hold on low heat setting up to 2 hours.