In the bowl of a stand mixer or a large bowl with a hand mixer, whip the cream to soft peaks.
Add the confectioners sugar and the mascarpone cheese to the bowl; beat until combined and fluffy.
Do not beat too much or it will start turning into butter.
Store in an airtight container in the refrigerator for up to 1 week.
For the best texture while serving, allow to sit at room temperature for about 30 minutes before serving.