Key Lime Bars are a delightful dessert that combines a buttery graham cracker crust with a smooth, tangy lime filling. These bars are perfect for warm-weather gatherings, offering a refreshing citrus flavor that balances sweetness with tartness. Whether you are serving them at a summer picnic or as a light treat after dinner, they are sure to impress.
Why You’ll Love This Recipe
- Refreshing citrus flavor – The tartness of key lime juice adds a bright and zesty taste.
- Simple ingredients – Made with pantry staples, this recipe is easy to prepare.
- Perfect texture – The creamy filling pairs beautifully with the crisp graham cracker crust.
- Make-ahead friendly – These bars can be prepared in advance and stored for later.
- Great for any occasion – Whether for a party or a casual treat, these bars are always a hit.
Ingredients
(Tip: You can find the complete list of ingredients and their measurements in the recipe card below.)
For the crust:
- Graham cracker crumbs
- Granulated sugar
- Unsalted butter, melted
For the filling:
- Sweetened condensed milk
- Key lime juice (fresh or bottled)
- Lime zest
- Egg yolks
Directions
- Preheat the oven to 350°F (175°C) and line an 8×8-inch baking dish with parchment paper.
- Prepare the crust by combining graham cracker crumbs, sugar, and melted butter in a bowl. Press the mixture firmly into the bottom of the prepared baking dish.
- Bake the crust for about 10 minutes, then let it cool while you make the filling.
- Make the filling by whisking together sweetened condensed milk, key lime juice, lime zest, and egg yolks until smooth and well combined.
- Pour the filling over the cooled crust and spread evenly.
- Bake for 15-20 minutes, or until the filling is set but still slightly jiggly in the center.
- Cool the bars at room temperature, then refrigerate for at least 2 hours before slicing.
- Slice into squares and serve chilled.
Servings and Timing
- Servings: 9-12 bars, depending on size
- Prep time: 15 minutes
- Cook time: 25-30 minutes
- Chill time: 2 hours
- Total time: Approximately 2 hours 45 minutes
Variations
- Gluten-free version – Use gluten-free graham crackers for the crust.
- Extra tangy flavor – Add a bit more key lime juice for a stronger citrus taste.
- Sweeter option – If you prefer a sweeter filling, reduce the lime juice slightly.
- Coconut twist – Mix shredded coconut into the crust for a tropical flavor.
- Whipped cream topping – Serve with a dollop of whipped cream for added richness.
Storage/Reheating
- Refrigeration: Store the bars in an airtight container in the refrigerator for up to 5 days.
- Freezing: Wrap the bars tightly in plastic wrap and freeze for up to 2 months. Thaw in the refrigerator before serving.
- Reheating: These bars are best served chilled and do not require reheating.
FAQs
How do I know when the filling is set?
The filling should be firm but still slightly jiggly in the center when you gently shake the pan.
Can I use regular limes instead of key limes?
Yes, you can substitute regular lime juice, but key limes have a slightly more floral and tart flavor.
Can I make these bars ahead of time?
Yes, they can be made a day in advance and stored in the refrigerator until ready to serve.
Why did my bars crack?
Overbaking can cause cracks. Remove them from the oven when the center is still slightly jiggly.
Do I need to use fresh key limes?
Fresh key limes are best, but bottled key lime juice works as a convenient alternative.
Can I double this recipe?
Yes, double the ingredients and use a 9×13-inch pan. Adjust the baking time as needed.
How do I cut clean slices?
Chill the bars thoroughly and use a sharp knife, wiping it clean between cuts.
Can I add food coloring to enhance the color?
Yes, a drop of green food coloring can make the bars look more vibrant.
What can I serve with key lime bars?
They pair well with whipped cream, powdered sugar, or a light fruit garnish.
Are key lime bars similar to key lime pie?
Yes, they have the same creamy, tangy filling but are served in bar form with a graham cracker crust.
Conclusion
Key Lime Bars are a deliciously tangy and creamy dessert that’s easy to make and perfect for any occasion. With their refreshing citrus flavor and simple preparation, they are sure to become a favorite. Whether you enjoy them chilled on a warm day or serve them as a light dessert after dinner, they are always a hit.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Total Time: 2 hours
- Yield: 9 bars 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
Tangy, creamy, and perfectly sweet, these Key Lime Bars are a refreshing citrus dessert with a buttery graham cracker crust and a silky lime filling.
Ingredients
- 1 1/2 cups graham cracker crumbs
- 1/4 cup sugar
- 1/2 cup melted butter
For the Filling:
- 3 egg yolks
- 1 can (14 oz) sweetened condensed milk
- 1/2 cup key lime juice
- 1 tbsp lime zest
Instructions
- Preheat oven to 350°F (175°C). Line an 8×8 pan with parchment paper.
- Mix graham cracker crumbs, sugar, and melted butter. Press into the pan. Bake for 10 minutes.
- In a bowl, whisk egg yolks, condensed milk, lime juice, and zest.
- Pour over crust and bake for 15 minutes.
- Cool completely, then refrigerate for at least 2 hours before slicing.
Notes
- Substitute regular lime juice if key limes are unavailable.
- Top with whipped cream for extra indulgence.
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