
Why Make This Recipe
Key Lime Pie Bars are a great treat for anyone who loves the tangy flavor of key limes. These bars are easy to make and perfect for sharing at gatherings or enjoying at home. They pack all the deliciousness of key lime pie into a handy, easy-to-eat format. With a crumbly crust and a creamy lime filling, these bars are sure to satisfy your sweet tooth.
How to Make Key Lime Pie Bars
Ingredients
- 1 1/2 cups graham cracker crumbs
- 1/3 cup granulated sugar
- 1/2 cup unsalted butter, melted
- 1 can (14 oz) sweetened condensed milk
- 1/2 cup sour cream
- 1/2 cup fresh lime juice
- 1 teaspoon vanilla extract
- Lime zest for garnish (optional)
Directions
- Preheat the oven to 350°F (175°C).
- In a bowl, combine the graham cracker crumbs, sugar, and melted butter until well mixed. Press the mixture into the bottom of a 9×9-inch baking pan.
- In another bowl, whisk together the sweetened condensed milk, sour cream, lime juice, and vanilla until well combined.
- Pour the filling over the crust and spread evenly.
- Bake for about 15-20 minutes, or until the filling is set but still slightly jiggly.
- Remove from the oven and let it cool, then refrigerate for at least 2 hours before cutting.
- Garnish with lime zest if desired and serve chilled.
How to Serve Key Lime Pie Bars
Serve Key Lime Pie Bars chilled. You can cut them into squares and place them on a nice plate. They are perfect for parties, picnics, or just a sweet treat at home.
How to Store Key Lime Pie Bars
Store the Key Lime Pie Bars in the refrigerator. Keep them in an airtight container to maintain freshness. They can last up to a week, but they taste best within a few days.
Tips to Make Key Lime Pie Bars
- Make sure to use fresh lime juice for the best flavor.
- Press the graham cracker crust firmly to get a solid base.
- Let the bars cool completely before refrigerating to achieve a better set.
Variation
If you want a twist on the classic recipe, try adding some shredded coconut to the crust for a tropical flavor. You can also use lemon juice instead of lime juice for a different citrus taste.
FAQs
1. Can I use bottled lime juice instead of fresh?
Yes, you can use bottled lime juice, but fresh lime juice will give you a brighter flavor.
2. Can I freeze these Key Lime Pie Bars?
Yes, you can freeze them. Just make sure to wrap them tightly in plastic wrap and then place them in an airtight container.
3. How can I tell when the bars are done baking?
The bars are done when the filling is set but still has a slight jiggle in the center. They will firm up more as they cool in the refrigerator.

Key Lime Pie Bars
Ingredients
For the crust
- 1.5 cups graham cracker crumbs
- 1/3 cup granulated sugar
- 1/2 cup unsalted butter, melted
For the filling
- 1 can (14 oz) sweetened condensed milk
- 1/2 cup sour cream
- 1/2 cup fresh lime juice Use fresh lime juice for best flavor.
- 1 teaspoon vanilla extract
- Lime zest for garnish (optional)
Instructions
Preparation
- Preheat the oven to 350°F (175°C).
- In a bowl, combine the graham cracker crumbs, sugar, and melted butter until well mixed.
- Press the mixture into the bottom of a 9×9-inch baking pan.
- In another bowl, whisk together the sweetened condensed milk, sour cream, lime juice, and vanilla until well combined.
- Pour the filling over the crust and spread evenly.
Baking
- Bake for about 15-20 minutes, or until the filling is set but still slightly jiggly.
- Remove from the oven and let it cool, then refrigerate for at least 2 hours before cutting.
Serving
- Garnish with lime zest if desired and serve chilled.