01 -
Using a stand mixer or hand mixer, beat the softened unsalted butter on medium speed until smooth and creamy.
02 -
Gradually add the powdered sugar in batches, mixing thoroughly after each addition until fully blended and smooth.
03 -
Pour in the caramel sauce and vanilla extract, then beat on medium speed until the mixture is well combined.
04 -
Add the salt. Whip the frosting on high speed until light and airy, scraping down the sides of the bowl as needed.
05 -
If a firmer texture is preferred, blend in additional powdered sugar. Spread or pipe onto completely cooled cupcakes or cake as desired.