8 ounces cream cheese, room temperature
1/2 cup sugar (3 1/2 ounces)
1 teaspoon vanilla extract
1/8 teaspoon table salt
2 cups heavy cream
Place cream cheese, sugar, vanilla, and salt in bowl of standing mixer fitted with whisk attachment. Whisk at medium-high speed until light and fluffy, 1 to 2 minutes, scraping down bowl with rubber spatula as needed.
Reduce speed to low and add heavy cream in slow, steady stream; when almost fully combined, increase speed to medium-high and beat until mixture holds stiff peaks, 2 to 2 1/2 minutes more, scraping bowl as needed (you should have about 4 1/2 cups).