01 - Set the oven to 350°F (175°C) to prepare for baking.
02 - In a bowl, combine graham cracker crumbs, melted butter, sugar, and salt until evenly mixed.
03 - Press the mixture firmly into the bottom and sides of a 9-inch (23 cm) pie dish.
04 - Bake for 8–10 minutes until the crust turns lightly golden; allow to cool slightly.
05 - In a separate bowl, whisk egg yolks with lime zest for about 2 minutes until slightly thickened.
06 - Add sweetened condensed milk to the egg mixture and whisk until smooth and homogeneous.
07 - Gradually whisk in fresh lime juice until fully incorporated into the filling mixture.
08 - Pour the filling into the cooled crust and bake for 10–12 minutes, until set but slightly wobbly at the center.
09 - Allow to cool at room temperature before refrigerating for at least 2 hours to fully chill.
10 - Using a hand mixer or whisk, beat heavy cream with powdered sugar and vanilla extract until soft peaks form.
11 - Spread or pipe the whipped cream evenly over the chilled pie and garnish with lime zest or lime slices.
12 - Slice the pie and serve cold for optimal flavor and texture.