01 - In a large mixing bowl, beat the cream cheese until smooth and free of lumps.
02 - Add sour cream, granulated sugar, and vanilla extract to the cream cheese. Mix until the base is creamy and well combined.
03 - In a separate bowl, whip the heavy cream to stiff peaks using an electric mixer or hand whisk.
04 - Using a spatula, gently fold the whipped cream into the cream cheese mixture until the texture is light and smooth.
05 - Fold the strawberries, blueberries, and raspberries into the creamy mixture until the fruit is evenly distributed.
06 - Cover and refrigerate for at least 30 minutes to allow flavors to meld and the salad to firm up.
07 - Garnish with fresh mint leaves just before serving, if desired.