
Why Make This Recipe
Key Lime Pie Bars are a delightful dessert that brings the bright, zesty flavor of key lime into a simple, easy-to-make form. They are perfect for summer gatherings, picnics, or any time you want to impress your friends and family. With a buttery graham cracker crust and a creamy filling, these bars are sure to satisfy your sweet tooth.
How to Make Key Lime Pie Bars
Ingredients:
- 1 cup graham cracker crumbs
- 1/2 cup unsalted butter, melted
- 1/4 cup sugar
- 2 cups sweetened condensed milk
- 1/2 cup key lime juice
- 1 tablespoon lime zest
- 2 large eggs
- Whipped cream, for serving
Directions:
- Preheat the oven to 350°F (175°C).
- In a bowl, mix graham cracker crumbs, melted butter, and sugar until combined. Press this mixture into the bottom of a greased baking dish.
- In another bowl, whisk together sweetened condensed milk, key lime juice, lime zest, and eggs until the mixture is smooth.
- Pour the filling over the crust and bake for 20-25 minutes, or until set.
- Let the bars cool completely, then refrigerate for at least 2 hours.
- Cut into bars and serve with whipped cream.
How to Serve Key Lime Pie Bars
Serve Key Lime Pie Bars chilled and topped with a generous dollop of whipped cream. You can also garnish with extra lime zest or thin lime slices for a touch of color and flavor.
How to Store Key Lime Pie Bars
Keep any leftover Key Lime Pie Bars in an airtight container in the refrigerator. They will stay fresh for about 3-5 days. Allow them to cool completely before storing to maintain their texture.
Tips to Make Key Lime Pie Bars
- Make sure to use fresh key lime juice for the best flavor, but bottled juice works in a pinch.
- Press the crust down firmly to ensure it holds together after baking.
- Let the bars cool completely before refrigerating to help them set properly.
Variation
You can add a layer of meringue on top before baking to give your bars a fluffy topping. Alternatively, try adding coconut flakes to the crust for a tropical twist.
FAQs
1. Can I use regular limes instead of key limes?
Yes, you can use regular limes, but the flavor will be slightly different. Key limes give a more tart and distinctive taste.
2. Can I freeze Key Lime Pie Bars?
Yes, you can freeze them. Wrap each bar in plastic wrap, then place them in a freezer-safe container. They can last up to 2 months in the freezer.
3. How do I know when the bars are done baking?
The bars are done when the filling is set but may still jiggle slightly in the center. They will firm up as they cool.

Key Lime Pie Bars
Ingredients
Crust
- 1 cup graham cracker crumbs
- 1/2 cup unsalted butter, melted
- 1/4 cup sugar
Filling
- 2 cups sweetened condensed milk
- 1/2 cup key lime juice Fresh is best but bottled can be used.
- 1 tablespoon lime zest
- 2 large eggs
- Whipped cream, for serving
Instructions
Preparation
- Preheat the oven to 350°F (175°C).
- In a bowl, mix graham cracker crumbs, melted butter, and sugar until combined. Press this mixture into the bottom of a greased baking dish.
Baking
- In another bowl, whisk together sweetened condensed milk, key lime juice, lime zest, and eggs until the mixture is smooth.
- Pour the filling over the crust and bake for 20-25 minutes, or until set.
Cooling & Serving
- Let the bars cool completely, then refrigerate for at least 2 hours.
- Cut into bars and serve with whipped cream.
