Making a Lemon Icebox Pie is a straightforward process that can be broken down into easy-to-follow steps. Follow these instructions to create your own delicious pie:

Step 1: Prepare the Graham Cracker Crust

1. Preheat the Oven: Preheat your oven to 350°F (175°C).
2. Mix Crust Ingredients: In a medium-sized bowl, combine the graham cracker crumbs and granulated sugar. Stir in the melted butter until the mixture resembles wet sand.
3. Form the Crust: Press the mixture firmly into the bottom and up the sides of a 9-inch pie pan, ensuring an even layer.
4. Bake the Crust: Place the pie pan in the preheated oven and bake for 8-10 minutes, or until the crust is lightly golden. Remove from the oven and let it cool completely.

Step 2: Make the Lemon Filling

5. Combine Filling Ingredients: In a large mixing bowl, whisk together the sweetened condensed milk, fresh lemon juice, lemon zest, and egg yolks until smooth and well combined.
6. Pour into Crust: Pour the lemon filling into the cooled graham cracker crust, spreading it evenly with a spatula.

Step 3: Chill the Pie

7. Chill the Pie: Cover the pie with plastic wrap and refrigerate for at least 4 hours, or until the filling is set and firm.

Step 4: Prepare the Whipped Cream Topping

8. Whip the Cream: In a chilled mixing bowl, beat the heavy whipping cream with an electric mixer on medium speed until soft peaks form.
9. Add Sugar and Vanilla: Gradually add the powdered sugar and vanilla extract, continuing to beat until stiff peaks form.

Step 5: Assemble the Pie

10. Top with Whipped Cream: Remove the pie from the refrigerator and spread the whipped cream evenly over the lemon filling.
11. Garnish (Optional): Garnish with additional lemon zest or slices, if desired.

Step 6: Serve

12. Slice and Serve: Slice the pie into individual servings and enjoy the refreshing, creamy goodness!