01 - Beat cream cheese in medium bowl until smooth and creamy. Add powdered sugar and vanilla extract, mixing until fully incorporated. Gently fold in whipped topping until mixture is uniform and smooth.
02 - Spread an even layer of crushed shortbread cookies across the bottom of glass trifle bowl or individual serving cups.
03 - Spoon whipped cheese mixture over cookie base, spreading into an even layer.
04 - Arrange sliced strawberries, blueberries, and raspberries in decorative pattern over cream layer.
05 - Repeat layering process with remaining cookies, whipped filling, and berries until container is filled. End with a generous layer of mixed berries on top.
06 - Decorate with extra berries and mint leaves if desired. Refrigerate for at least 1 hour to allow flavors to meld and layers to set before serving.