blend the butter on high until creamy with paddle attachment
set mixer to medium low and add the sugar and salt, drizzle in the wet ingreients and blend until very well mixed and smooth (about 5 -7 minutes)
spoon into piping bag with tip of your choice
Notes
If you need this really white (for really vivid food dye options), use 1 c shortening instead of butterTHICKER FROSTING- gradually add more confectioner sugarMEDIUM FROSTING- add one tablespoon of corn syrup or milk or creamTHINNER- add 2 tablespoons of the above