
Why Make This Recipe
Key Lime Pie Bars are a perfect treat for anyone who loves the tangy taste of key limes combined with a sweet crust. They are easy to make and great for sharing with friends and family at gatherings, picnics, or just as a special dessert at home. With their creamy filling and crunchy graham cracker crust, these bars offer a delightful balance of flavors and textures. Plus, they are simple to prepare, making them an ideal dessert for both novice bakers and seasoned chefs alike.
How to Make Key Lime Pie Bars
Ingredients:
- 1 1/2 cups graham cracker crumbs
- 1/2 cup unsalted butter, melted
- 1/4 cup granulated sugar
- 1 can (14 ounces) sweetened condensed milk
- 1/2 cup key lime juice
- 3 large egg yolks
- Zest of 1 lime
- Whipped cream for serving
Directions:
- Preheat your oven to 350°F (175°C). Grease a 9×9 inch baking dish.
- In a bowl, combine the graham cracker crumbs, melted butter, and sugar. Mix them well and press this mixture into the bottom of the prepared dish.
- Bake the crust for 10 minutes, then remove it from the oven and set it aside.
- In another bowl, whisk together the sweetened condensed milk, key lime juice, egg yolks, and lime zest until it’s smooth.
- Pour the key lime mixture over the crust and spread it evenly.
- Bake for an additional 15-20 minutes, until it is set but still slightly jiggly in the center.
- Remove it from the oven and let it cool to room temperature.
- Chill in the fridge for at least 2 hours before cutting into bars.
- Serve topped with whipped cream.
How to Serve Key Lime Pie Bars
Key Lime Pie Bars are best served chilled, making them refreshing on warm days. Cut the cooled bars into squares and add a generous dollop of whipped cream on top. You can also garnish them with extra lime zest or thin lime slices for a beautiful presentation. These bars can be served as a sweet end to a meal or enjoyed as a tasty snack any time of day.
How to Store Key Lime Pie Bars
To store Key Lime Pie Bars, place the cut pieces in an airtight container in the fridge. They will stay fresh for up to a week. If you want to keep them longer, you can freeze the bars. Just make sure to wrap them well to prevent freezer burn. When ready to eat, thaw them in the fridge overnight.
Tips to Make Key Lime Pie Bars
- For a more intense lime flavor, add extra lime zest or a splash more of key lime juice.
- Make sure to let the bars cool completely before chilling them in the fridge for the best texture.
- If you prefer a sweeter bar, you can increase the sugar in the crust or filling slightly.
Variation
You can easily customize these Key Lime Pie Bars by adding different flavors. Try mixing in some coconut flakes to the crust for a tropical twist or use lemon juice instead of key lime juice for a lemon bar version.
FAQs
Q: Can I use regular limes instead of key limes?
A: Yes, you can use regular limes, but the flavor will be slightly different. Key limes are more tart and aromatically distinct.
Q: Can I make these bars ahead of time?
A: Absolutely! These bars can be made a day or two in advance. Just keep them refrigerated until you’re ready to serve.
Q: Is it necessary to chill the bars before serving?
A: Yes, chilling helps set the filling and improves the overall texture of the bars, making them taste even better!

Key Lime Pie Bars
Ingredients
For the crust
- 1.5 cups graham cracker crumbs
- 0.5 cup unsalted butter, melted
- 0.25 cup granulated sugar
For the filling
- 1 can (14 ounces) sweetened condensed milk
- 0.5 cup key lime juice
- 3 large egg yolks
- 1 zest lime Zest of 1 lime
For serving
- Whipped cream For topping
Instructions
Preparation
- Preheat your oven to 350°F (175°C). Grease a 9x9 inch baking dish.
- In a bowl, combine the graham cracker crumbs, melted butter, and sugar. Mix well and press this mixture into the bottom of the prepared dish.
Baking the crust
- Bake the crust for 10 minutes, then remove it from the oven and set aside.
Making the filling
- In another bowl, whisk together the sweetened condensed milk, key lime juice, egg yolks, and lime zest until smooth.
- Pour the key lime mixture over the crust and spread it evenly.
Baking the bars
- Bake for an additional 15-20 minutes, until it is set but still slightly jiggly in the center.
- Remove from the oven and let cool to room temperature.
- Chill in the fridge for at least 2 hours before cutting into bars.
Serving
- Serve topped with whipped cream.