Imagine sinking your fork into a square of creamy, tangy Key Lime Pie Bars, each bite delivering a delightful balance of sweetness and zest. These bars capture the essence of the classic Key Lime Pie but in a convenient, easy-to-serve form. Whether you’re hosting a summer gathering or simply craving a refreshing dessert, these bars are sure to impress.
A fun fact: Did you know that Key Lime Pie is believed to have been created in the Florida Keys in the late 19th century? Its unique flavor comes from the small, aromatic Key limes native to the region. Transforming this beloved pie into bar form makes it even more accessible and perfect for sharing.
What makes these Key Lime Pie Bars special is their simplicity and quick preparation time. With just a few ingredients and minimal effort, you can create a dessert that’s both impressive and family-friendly. If you enjoy this recipe, you might also like our Lemon Cream Pie Bars, which offer a similar citrusy delight.
So, why not give these Key Lime Pie Bars a try? They’re the perfect treat to brighten any occasion and are sure to become a new favorite in your dessert repertoire.
What Are Key Lime Pie Bars?
Key Lime Pie Bars are a delightful twist on the traditional Key Lime Pie, presented in a convenient bar form. They consist of a buttery graham cracker crust topped with a creamy, tangy filling made from sweetened condensed milk, cream cheese, and fresh lime juice. Baked to perfection and chilled, these bars offer all the flavors of the classic pie without the need for a pie crust.
But why the name “Key Lime Pie Bars”? Well, it’s a nod to the small, aromatic Key limes native to the Florida Keys, which impart a distinctive tartness to the dessert. And let’s be honest, who wouldn’t want a slice of something that’s both a pie and a bar? After all, they say the way to a man’s heart is through his stomach, and these bars are sure to win over any dessert lover.
Why You’ll Love These Key Lime Pie Bars
These Key Lime Pie Bars are a treat for the senses, offering a harmonious blend of flavors and textures. Here’s why you’ll love them:
- Main Highlight: The combination of a crunchy graham cracker crust with a smooth, tangy lime filling creates a delightful contrast that’s both satisfying and refreshing.
- Cost-Saving Benefits: Making these bars at home is not only cost-effective but also allows you to control the quality of ingredients, ensuring a fresher and more flavorful dessert than store-bought alternatives.
- Flavorful Toppings: Garnishing with whipped cream, fresh lime zest, or a slice of lime adds an extra layer of flavor and visual appeal, making each bar a miniature masterpiece.
If you enjoy these Key Lime Pie Bars, you might also like our Lemon Cream Pie Bars, which offer a similar citrusy delight.
How to Make Key Lime Pie Bars
Quick Overview
Creating these Key Lime Pie Bars is a breeze. With a simple graham cracker crust and a creamy lime filling, they come together quickly and require minimal baking. In just over an hour, you’ll have a dessert that’s both impressive and delicious.

Key Ingredients for Key Lime Pie Bars
To make these bars, you’ll need the following ingredients:
- For the Crust:
- 1½ cups graham cracker crumbs (about 12 full sheets, crushed)
- ⅓ cup granulated sugar
- 6 tablespoons unsalted butter, melted
- For the Filling:
- 2 cans (14 ounces each) sweetened condensed milk
- 4 ounces cream cheese, softened
- ¾ cup key lime juice (freshly squeezed or bottled)
- Zest of 2 regular limes or 4 key limes
- For Topping (Optional):
- Fresh whipped cream
- Additional lime zest
- Lime slices
Step-by-Step Instructions
- Prepare the Crust:
- Preheat your oven to 350°F (175°C).
- In a medium bowl, combine the graham cracker crumbs and sugar.
- Add the melted butter and mix until the crumbs are evenly coated.
- Press the mixture firmly into the bottom of an 8-inch square baking pan to form an even layer.
- Bake for 10 minutes, then remove from the oven and let it cool.
- Prepare the Filling:
- In a mixing bowl, beat the softened cream cheese until smooth.
- Add the sweetened condensed milk, key lime juice, and lime zest.
- Mix until the filling is smooth and well combined.
- Assemble and Bake:
- Pour the filling over the cooled crust, spreading it evenly.
- Bake in the preheated oven for 10 minutes.
- Remove from the oven and let it cool for about 30 minutes.
- Refrigerate for at least 3 hours, or until fully chilled and set.
- Serve:
- Once chilled, cut into squares.
- Top with fresh whipped cream, additional lime zest, and lime slices if desired.
What to Serve Key Lime Pie Bars With
These Key Lime Pie Bars are delightful on their own but can be paired with various accompaniments to enhance your dessert experience:
What to Serve Key Lime Pie Bars With
These Key Lime Pie Bars are delightful on their own, but pairing them with complementary dishes can elevate your dessert experience. Consider serving them alongside:
- Fresh Fruit Salad: A medley of seasonal fruits like berries, melons, and citrus can balance the tartness of the bars.
- Iced Tea or Lemonade: A chilled glass of unsweetened iced tea or freshly squeezed lemonade can provide a refreshing contrast.
- Grilled Chicken Skewers: For a savory option, serve with lightly seasoned grilled chicken skewers to create a balanced meal.
FAQs About Key Lime Pie Bars
- Can I use regular limes instead of Key limes? Absolutely! While Key limes offer a unique flavor, regular limes are a suitable substitute and widely available.
- How do I store leftover Key Lime Pie Bars? Store the bars in an airtight container in the refrigerator for up to 3 days. Ensure they are well-covered to maintain freshness.
- Can I freeze Key Lime Pie Bars? Yes, these bars freeze well. Wrap them tightly in plastic wrap and aluminum foil, then freeze for up to 3 months. Thaw overnight in the refrigerator before serving.
- Can I make the crust with a different type of cookie? Certainly! While graham crackers are traditional, you can use other cookies like animal crackers or even Nilla Wafers for a different flavor profile.
- Is it necessary to use cream cheese in the filling? Cream cheese adds a slight tang and creaminess to the filling. If you prefer, you can omit it, but the texture and flavor may differ slightly.
- Can I make these bars ahead of time? Yes, you can prepare and bake the bars up to 3 days in advance. Store them in the refrigerator until ready to serve.
Conclusion

These Key Lime Pie Bars are a delightful twist on the classic dessert, offering a refreshing and tangy treat that’s both easy to make and perfect for sharing. With their simple preparation and versatile serving options, they’re sure to become a favorite in your dessert repertoire. Whether you’re hosting a summer gathering or enjoying a quiet evening at home, these bars are the perfect way to indulge in a little citrusy sweetness.
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