Step 1

Place softened butter into the bowl of a stand mixer that has been fitted with the paddle attachment. Turn the mixer on a medium setting and cream the butter until it is smooth and has lightened in color, about 3 minutes.

Step 2

Add confectioner's sugar, 1/2 a cup at a time. After each cup has been incorporated, turn the mixer onto the highest speed setting and for about 10 seconds to lighten the frosting.

Step 3

Add vanilla and a pinch of salt and combine until well-incorporated.

Step 4

Add milk, heavy cream or half-and-half until the frosting has reached the preferred consistency. For a firmer frosting, add more confectioner's sugar, a 1/4 cup at a time. For a softer frosting, add more milk or cream, a tablespoon at a time.