In a large bowl using a handheld or stand mixer, beat the cream cheese and butter together on medium high until smooth, about 2 minutes.
Add the vanilla, cream/milk, salt and confectioners' sugar.
Beat on low speed for 30 seconds, then increase to high speed and beat for 3 minutes until completely combined and creamy.
Add more confectioners' sugar if too thin, or more cream/milk if too thick.
Add another pinch of salt if too sweet.
Frosting should be soft, but not runny.