01 - Whip the heavy cream with powdered sugar and vanilla extract in a mixing bowl until stiff peaks form. Set aside.
02 - Toss fresh blueberries with granulated sugar in a small bowl. Let sit for 10 minutes to release natural juices.
03 - Arrange half of the cubed cake in an even layer at the bottom of a trifle dish or large glass bowl.
04 - Spread half of the lemon curd evenly over the cake cubes using a spatula.
05 - Distribute half of the macerated blueberries over the lemon curd layer.
06 - Spread half of the whipped cream over the berries, creating an even layer.
07 - Layer remaining cake cubes, lemon curd, blueberries, and whipped cream in the same order.
08 - Top with fresh lemon zest and additional whole blueberries for visual appeal.
09 - Refrigerate for at least 1 hour before serving to allow flavors to meld and layers to set.