01 - Preheat the oven to 350°F.
02 - In a medium bowl, combine graham cracker crumbs, sugar, and melted butter. Mix until evenly moistened.
03 - Press the crumb mixture firmly into the bottom and up the sides of a 9-inch pie dish, creating an even layer.
04 - Bake the crust for 8 minutes. Remove from oven and let cool slightly while preparing filling.
05 - Whisk egg yolks in a separate bowl until slightly thickened. Add sweetened condensed milk, lime zest, and lime juice. Stir until smooth and creamy.
06 - Pour the lime filling into the cooled crust and spread evenly.
07 - Bake for 12 minutes until just set but still slightly wobbly in the center.
08 - Remove from oven and cool to room temperature. Refrigerate for at least 2 hours until fully chilled.
09 - Beat heavy whipping cream, powdered sugar, and vanilla extract with a hand mixer until soft peaks form.
10 - Spread or pipe whipped cream over chilled pie just before serving.