Step 2
Microwave cream cheese and 1/4 cup milk in medium microwaveable bowl on HIGH 30 sec.; whisk until smooth. Gradually whisk in remaining milk and water. Microwave 2-1/2 min. or until hot, stirring after each minute. Stir in potato flakes and Parmesan until blended. Spoon into resealable plastic bag; cut one corner off bottom of bag.