Beat together softened cream cheese and butter; slowly add in powdered sugar alternating with milk until frosting reaches a spreadable/pipeable consistency.
Add vanilla and salt if needed and beat until well combined.
(Add liquid or gel food colorings if desired!)
Notes
(Please note nutrition information is an estimate, and may not be exactly accurate. Calorie count for 1/24th recipe - amount for 1 cupcake - is 218; including 3og carbohydrate, 1g protein, and 11g fat.)