01 -
In a medium saucepan over medium heat, whisk together milk, sugar, cornstarch, and salt until smooth.
02 -
In a separate bowl, whisk the egg yolks. Slowly add about 1/2 cup of the hot milk mixture into the yolks, whisking constantly to temper.
03 -
Gradually pour the tempered yolk mixture back into the saucepan, whisking constantly.
04 -
Cook until the mixture thickens and bubbles, about 3-5 minutes.
05 -
Remove from heat and whisk in butter and vanilla extract.
06 -
Arrange half of the banana slices over the bottom of the pre-baked crust.
07 -
Pour half of the custard over the bananas. Add the remaining banana slices and top with the remaining custard.
08 -
Smooth the top with a spatula. Cover with plastic wrap directly on the surface and refrigerate for at least 4 hours until fully set.
09 -
Beat the heavy cream, powdered sugar, and vanilla extract together until stiff peaks form.
10 -
Spread or pipe the whipped cream over the chilled pie just before serving.