01 -
In a medium saucepan, whisk together granulated sugar, cornstarch, and salt. Gradually add whole milk, whisking until smooth.
02 -
In a separate bowl, lightly beat the egg yolks until combined.
03 -
Place the saucepan over medium heat. Cook, whisking constantly, until the mixture thickens and just begins to bubble, about 6 to 8 minutes.
04 -
Gradually whisk about 120 ml of the hot milk mixture into the yolks to temper. Pour the yolk mixture back into the saucepan, whisking continuously.
05 -
Reduce heat to low and cook, stirring, for an additional 2 minutes until thick and creamy. Remove from heat. Stir in unsalted butter and vanilla extract until combined.
06 -
Transfer pudding to a bowl. Cover with plastic wrap directly on the surface and let cool to room temperature or refrigerate to chill more quickly.
07 -
Arrange a layer of Nilla wafers on the bottom of a trifle dish or 23x33 cm baking dish. Top with a layer of banana slices.
08 -
Spread one-third of the pudding evenly over the bananas.
09 -
Repeat the layering of wafers, bananas, and pudding two more times, ending with a pudding layer on top.
10 -
In a mixing bowl, whip heavy cream with powdered sugar and vanilla extract using an electric mixer or hand whisk until soft peaks form.
11 -
Spread or pipe whipped cream over the top layer of pudding. Garnish with additional banana slices and crushed Nilla wafers if desired.
12 -
Refrigerate for at least 2 hours to allow flavors to meld and dessert to set.