01 -
In the bowl of a stand mixer fitted with the paddle attachment, beat the butter on medium-high speed for 6-7 minutes.
02 -
With the mixer on low speed, slowly add in the salt and powdered sugar, and continue beating until the sugar is fully incorporated.
03 -
Add in lemon juice, lemon zest, and milk, and mix on low speed until incorporated.
04 -
Turn the mixer back up to medium-high speed and beat the frosting for an additional 6-7 minutes.
05 -
If the frosting is too thick, add in milk, one teaspoon at a time, until you reach the desired consistency.