This pie is simple to prepare and delivers a rich, smooth filling with a refreshing citrus taste. The combination of creamy filling and crisp crust creates a dessert that feels both comforting and refreshing. It’s perfect for holidays, summer gatherings, or anytime you want a light and flavorful dessert.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
In a bowl, combine graham cracker crumbs, sugar, and melted butter until evenly mixed.
Press the crumb mixture firmly into the bottom and sides of a pie dish.
Bake the crust for 8 to 10 minutes, then let it cool slightly.
In a separate bowl, whisk together sweetened condensed milk, egg yolks, Key lime juice, and Key lime zest until smooth.
Pour the filling into the prepared crust and spread evenly.
Bake the pie for 12 to 15 minutes, just until the filling is set.
Remove from the oven and allow the pie to cool to room temperature.
Refrigerate for at least 3 hours before serving.
Top with whipped cream and lime slices before slicing.
Servings and timing
Servings: 8 Prep time: 15 minutes Cook time: 20 to 25 minutes Chilling time: 3 hours Total time: About 4 hours
Variations
Use a vanilla wafer crust instead of graham crackers for a different flavor.
Add toasted coconut to the crust or topping for a tropical twist.
Make mini Key lime pies using muffin tins or tart pans.
Top with meringue instead of whipped cream for a traditional variation.
Add a touch of lime zest to the whipped cream for extra citrus flavor.
Storage/Reheating
Store Key lime pie covered in the refrigerator for up to 4 days.
For longer storage, freeze the pie tightly wrapped for up to 2 months.
Thaw frozen pie overnight in the refrigerator before serving.
Serve chilled for the best texture and flavor.
FAQs
What makes Key lime pie authentic?
Traditional Key lime pie uses Key lime juice, sweetened condensed milk, and egg yolks in a graham cracker crust.
Can I use regular limes instead of Key limes?
Yes, regular limes can be used if Key limes are unavailable, though the flavor will be slightly different.
Why is my Key lime pie runny?
The pie may need more chilling time or could have been underbaked.
Do I need to bake the filling?
Yes, baking helps set the filling properly.
Can I make Key lime pie ahead of time?
Yes, it’s an excellent make-ahead dessert since it needs time to chill.
How do I know when the pie is done baking?
The filling should be mostly set with a slight jiggle in the center.
Can I freeze Key lime pie?
Yes, it freezes very well when wrapped tightly.
What topping goes best with Key lime pie?
Whipped cream is the most popular topping, but meringue also works beautifully.
Is Key lime pie very sweet?
It has a balanced flavor with sweetness from condensed milk and tartness from lime juice.
Why is the pie yellow instead of green?
Authentic Key lime pie is naturally pale yellow because of the egg yolks and condensed milk.
Conclusion
Authentic Key lime pie is a timeless dessert with a refreshing citrus flavor and creamy texture that never goes out of style. Whether served at a summer gathering or as a holiday treat, this pie is always a crowd-pleasing favorite.
Authentic Key Lime Pie is a classic citrus dessert made with tangy Key lime juice, creamy sweetened condensed milk, and egg yolks baked in a buttery graham cracker crust. This easy homemade Key lime pie recipe delivers the perfect balance of sweet and tart flavors with a smooth, refreshing texture that’s ideal for summer desserts, holidays, and special occasions.
Author:Catherine
Prep Time:15 minutes
Cook Time:20–25 minutes
Total Time:4 hours
Yield:8 servings
Category:Dessert
Method:Baked
Cuisine:American
Diet:Vegetarian
Ingredients
For the Crust
1 1/2 cups graham cracker crumbs
1/4 cup granulated sugar
6 tablespoons butter, melted
For the Filling
1 can (14 ounces) sweetened condensed milk
4 egg yolks
1/2 cup Key lime juice
1 tablespoon Key lime zest
For Topping
Whipped cream
Lime slices
Instructions
Preheat the oven to 350°F (175°C).
In a medium bowl, mix together the graham cracker crumbs, sugar, and melted butter until evenly combined.
Press the mixture firmly into the bottom and sides of a 9-inch pie dish.
Bake the crust for 8 to 10 minutes, then let it cool slightly.
In another bowl, whisk together the sweetened condensed milk, egg yolks, Key lime juice, and Key lime zest until smooth and creamy.
Pour the filling into the prepared crust and spread evenly.
Bake for 12 to 15 minutes, just until the filling is set with a slight jiggle in the center.
Remove the pie from the oven and cool to room temperature.
Refrigerate for at least 3 hours before serving.
Top with whipped cream and garnish with lime slices before slicing and serving.
Notes
Fresh Key lime juice provides the most authentic flavor.Do not overbake the filling, as it will continue to set while cooling.Chill thoroughly for clean slices and best texture.A springform pie pan can make serving easier.For extra citrus flavor, add additional lime zest on top before serving.