½ cup key lime juice (freshly squeezed or bottled)
1 teaspoon lime zest (optional, for extra zing)
For the Whipped Cream Topping
1 cup heavy cream, chilled
2 tablespoons powdered sugar
½ teaspoon vanilla extract
Instructions
Step 1: Prepare the Graham Cracker Crust : Preheat oven to 350°F (175°C). In a medium bowl, combine graham cracker crumbs, sugar, and melted butter. Press mixture evenly into a 9-inch pie pan, covering the bottom and sides. Bake crust for 8–10 minutes until lightly golden. Remove and let cool.
Step 2: Make the Key Lime Filling : In a medium bowl, whisk together sweetened condensed milk and egg yolks until smooth. Stir in key lime juice and lime zest until fully combined.
Step 3: Assemble and Chill : Pour lime filling into cooled graham cracker crust. Smooth the top with a spatula. Refrigerate for at least 3 hours (or until set).
Step 4: Prepare the Whipped Cream : In a chilled bowl, beat heavy cream, powdered sugar, and vanilla extract until soft peaks form. Spread or pipe whipped cream over the chilled pie just before serving.