In the bowl of a stand mixer fitted withthe whisk attachment, beat mascarpone,confectioners’ sugar, vanilla, and salt atmedium speed until smooth and wellcombined; scrape sides of bowl. Withmixer on medium speed, slowly add coldcream, beating until fully combined.Increase mixer speed to medium-high,and beat until soft peaks form, stoppingto scrape sides of bowl. Cover andrefrigerate for up to 2 hours before using.