01 -
Set the oven to 175°C and allow it to preheat fully.
02 -
Combine graham cracker crumbs, granulated sugar, and melted butter in a medium mixing bowl. Mix until the texture resembles damp sand.
03 -
Firmly press the crumb mixture into the base and up the sides of a 23 cm pie dish, ensuring an even layer throughout.
04 -
Bake the crust for 8 minutes. Remove from oven and allow it to cool slightly while preparing the filling.
05 -
In a bowl, whisk egg yolks and lime zest for 2 minutes until the mixture becomes slightly thickened. Incorporate sweetened condensed milk and whisk until completely smooth. Gradually blend in key lime juice until fully integrated.
06 -
Pour the prepared filling into the cooled crust and smooth the surface gently. Bake for 12 minutes, until the filling is just set but still has a slight wobble in the center.
07 -
Remove from oven and let cool to room temperature. Refrigerate for at least 3 hours, or preferably overnight, until fully chilled and set.
08 -
With an electric mixer, whip cold heavy cream, powdered sugar, and vanilla extract until soft peaks form.
09 -
Spread or pipe the whipped cream over the chilled pie just before serving. Garnish with additional lime zest or thin lime slices if desired.