01 -
Chill a mixing bowl and beaters in the freezer for at least 15 minutes before beginning.
02 -
Grind the shelled pistachios into a fine powder using a food processor.
03 -
Using the chilled equipment, whip the heavy cream until stiff peaks form, being careful not to overwhip.
04 -
Gently fold the ground pistachios, sugar, rosewater, and vanilla extract into the whipped cream until well incorporated.
05 -
Refrigerate the mousse for at least 2 hours before serving to allow flavors to meld together.