In a large bowl using a handheld or stand mixer fitted with a paddle or whisk attachment, beat the cream cheese and butter together on high speed until smooth and creamy. Add 3 cups confectioners’ sugar, the vanilla, and salt. Beat on low speed for 30 seconds, then switch to high speed and beat for 2 minutes. If you want the frosting a little thicker, add the extra 1/4 cup of confectioners sugar (I add it).

Cover and store leftover frosting for up to 5 days in the refrigerator or up to 3 months in the freezer. After freezing, thaw in the refrigerator then beat the frosting for a few seconds so it’s creamy again.