01 -
In a medium bowl, gently toss strawberries, raspberries, blueberries, granulated sugar, and lemon juice together. Allow the mixture to sit for 10 minutes at room temperature to macerate the berries.
02 -
Using a large mixing bowl and an electric mixer or whisk, whip the chilled heavy cream with powdered sugar and vanilla extract until soft peaks form.
03 -
Distribute one-third of the cake cubes evenly into the bottom of each of the 6 clear serving cups or glasses.
04 -
Spoon a layer of whipped cream over the cake cubes, followed by a portion of the macerated mixed berries.
05 -
Continue layering cake, whipped cream, and berries until the cups are filled, finishing with a layer of whipped cream and a few berries on top.
06 -
Garnish each cup with fresh mint leaves if desired. Serve immediately or chill in the refrigerator for up to 2 hours before serving.