Prepare casserole as directed. Wrap cooled casserole tightly; freeze up to 1 month. When ready to serve, thaw frozen casserole overnight in refrigerator. Then bake, covered, 25 min. or until heated through.
Prepare as directed, substituting 1 undrained can (19 fl oz/540 mL) diced tomatoes for the soup, omitting milk and using Italian-flavoured meatballs and Kraft 4 Cheese Italiano Shredded Cheese.