01 - Beat the softened cream cheese in a large mixing bowl until smooth and creamy texture is achieved.
02 - Add powdered sugar and vanilla extract to the cream cheese; beat until fully incorporated and fluffy.
03 - In a separate chilled bowl, whip cold heavy cream using electric mixer until stiff peaks form.
04 - Gently fold whipped cream into cream cheese mixture until smooth and uniform, being careful not to deflate the volume.
05 - Add quartered strawberries, blueberries, and mini marshmallows; fold gently to combine until evenly coated.
06 - Refrigerate for at least 1 hour to allow flavors to meld and achieve optimal texture.
07 - Serve chilled, optionally garnished with additional fresh berries for visual appeal.