Key Lime Pie is a classic American dessert built on a buttery graham cracker crust and filled with a creamy, tangy mixture of key lime juice and sweetened condensed milk. The filling sets firm in the oven in under 20 minutes, making the total prep and bake time around an hour including chilling. It strikes a clean balance between sweet and tart.
In a mixing bowl, combine graham cracker crumbs, melted butter, and sugar. Mix until the crumbs are well coated.
Press the mixture into a 9-inch pie pan, creating an even layer along the bottom and up the sides.
Bake the crust for 10 minutes until fragrant and lightly golden. Remove and let it cool slightly while preparing the filling.
Make the Filling:
In another bowl, whisk together sweetened condensed milk and egg yolks until smooth.
Add key lime juice and lime zest, mixing until the filling is well combined and slightly thickened.
Pour the filling into the pre-baked crust.
Bake the Pie:
Return to the oven and bake for 15 minutes, until the filling is just set but still jiggles slightly in the center.
Allow the pie to cool to room temperature, then chill in the refrigerator for at least 3 hours before serving.
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Notes
Lori’s Tips
For a playful twist, incorporate a mix of crushed nuts into the crust. If key limes are unavailable, a mixture of Persian lime and lemon juice works as a substitute. Garnish with whipped cream and a slice of lime for added elegance.