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Home » Recipe Index » Key Lime Pie Bars

Key Lime Pie Bars

August 2, 2025 by AleenaDessert

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Key lime pie bars are a delightful dessert that combines a buttery graham cracker crust with a tart and creamy lime filling. These bars are perfect for any occasion, from summer picnics to holiday gatherings. Their unique balance of sweet and tangy flavors makes them a crowd-pleaser. Plus, they are easy to make and can be prepared ahead of time, allowing you to enjoy your events without the stress of last-minute baking.

Why You’ll Love This Recipe

  • Quick and Easy: With just 15 minutes of prep time, you can whip up these delicious bars in no time.
  • Refreshing Flavor: The combination of key lime juice and zest delivers a bright, zesty taste that is perfect for warm weather.
  • Versatile Dessert: Ideal for parties, potlucks, or a weeknight treat, these bars fit any occasion.
  • Make Ahead: You can prepare them in advance and store them in the fridge for up to five days.
  • Crowd-Pleasing: With their rich flavor and smooth texture, everyone is sure to love these key lime pie bars.

Tools and Preparation

Before diving into the recipe, gather your tools. Having everything on hand will streamline the process and ensure success.

Essential Tools and Equipment

  • Food processor or rolling pin
  • Mixing bowls
  • Hand mixer or stand mixer
  • 9×9-inch baking pan
  • Aluminum foil or parchment paper

Importance of Each Tool

  • Food processor or rolling pin: Essential for crushing graham crackers into fine crumbs for the crust.
  • Mixing bowls: Necessary for combining ingredients efficiently while preventing spills.
  • Stand mixer: Helps achieve a smooth filling by thoroughly mixing cream cheese with other ingredients.

Ingredients

Key lime pie bars are a favorite dessert in a bar – a buttery graham cracker crust and a tart and creamy lime filling!!

Ingredients:
– 15 sheets graham crackers (or 30 squares)
– 2 tablespoons sugar
– pinch salt
– 6 tablespoons unsalted butter (melted)
– 6 ounces cream cheese (room temperature)
– 1 (14-ounce) can sweetened condensed milk
– 4 egg yolks
– 1 tablespoon lime zest
– ½ cup key lime juice (or regular lime juice)
– ½ teaspoon vanilla extract

How to Make Key Lime Pie Bars

Step 1: Preheat the Oven

Preheat your oven to 350°F. Line your 9×9-inch pan with aluminum foil or parchment paper, allowing some overhang for easy removal later.

Step 2: Prepare the Crust

  1. In a food processor or large Ziploc bag, crush the graham crackers into fine crumbs.
  2. In a medium mixing bowl, combine the crumbs with sugar, salt, and melted butter.
  3. Mix well until combined.
  4. Press the crumb mixture evenly into the bottom of the lined pan.
  5. Bake in preheated oven for 10 minutes until lightly golden.

Step 3: Make the Filling

  1. In a large mixing bowl using a hand mixer or stand mixer, beat the cream cheese until smooth.
  2. Add sweetened condensed milk gradually while mixing until fully combined.
  3. Incorporate egg yolks one at a time, mixing well after each addition.
  4. Stir in lime zest, key lime juice, and vanilla extract until mixture is smooth.

Step 4: Bake the Bars

  1. Pour the filling over the hot crust evenly.
  2. Return to oven and bake for 15-18 minutes or until set; do not let it brown.
  3. Remove from oven and let it cool slightly before refrigerating.

Step 5: Chill and Serve

Chill in the refrigerator for at least 2-4 hours before cutting into bars. Serve cold and enjoy! Store any leftovers in an airtight container in the fridge for up to five days.

Now you have delicious key lime pie bars ready to impress your family and friends!

How to Serve Key Lime Pie Bars

Key lime pie bars are a delightful treat that can be served in various ways to enhance their flavor. Whether you’re hosting a gathering or enjoying them at home, here are some serving suggestions to make your dessert experience even better.

Pair with Whipped Cream

  • A dollop of freshly whipped cream adds a light and airy contrast to the tartness of the key lime filling.

Serve with Fresh Berries

  • Strawberries, blueberries, or raspberries on the side not only add color but also complement the flavors beautifully.

Top with Toasted Coconut

  • Sprinkling toasted coconut flakes on top gives an added crunch and tropical flair to each bite.

Garnish with Lime Wedges

  • Placing lime wedges on the plate offers an extra zing and makes for an attractive presentation.

Drizzle with Chocolate Sauce

  • A light drizzle of chocolate sauce can create a deliciously unexpected flavor combination that many will love.
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How to Perfect Key Lime Pie Bars

Creating perfect key lime pie bars requires attention to detail. Here are some tips to ensure your bars turn out amazing every time.

  • Use Fresh Lime Juice: Fresh key lime juice enhances the flavor significantly compared to bottled juice. Always opt for fresh when possible.
  • Chill Thoroughly: Allowing the bars to chill in the fridge for at least 2-4 hours ensures they set properly and flavors meld beautifully.
  • Don’t Overbake: Keep an eye on the baking time; overbaking can lead to a dry filling. The center should be just set, not browned on top.
  • Adjust Sweetness: If you prefer less sweetness, feel free to reduce the sugar in the crust or filling slightly. Taste as you go!
  • Cut Cleanly: Use a sharp knife dipped in hot water for clean cuts. This helps maintain the beautiful presentation of each bar.

Best Side Dishes for Key Lime Pie Bars

Complementing your key lime pie bars with side dishes can elevate your dessert experience. Here are some great options:

  1. Fresh Fruit Salad: A mix of seasonal fruits provides a refreshing contrast to the creamy texture of the bars.
  2. Ice Cream: Vanilla or coconut ice cream pairs well, offering a creamy balance to the tartness of the key lime.
  3. Cheese Platter: A selection of mild cheeses can create a savory counterpoint, enhancing the overall flavor profile.
  4. Coconut Macaroons: These chewy treats echo tropical flavors and add texture alongside your key lime pie bars.
  5. Mint Tea: A refreshing mint tea serves as a palate cleanser that complements citrus desserts perfectly.
  6. Chocolate-Dipped Strawberries: The richness of chocolate enhances the tartness while adding elegance to your dessert table.
  7. Pineapple Salsa: This sweet and tangy salsa can be served on the side, adding an exciting twist to your dessert experience.

Common Mistakes to Avoid

Making delicious key lime pie bars can be easy, but there are common mistakes to watch out for.

  • Using stale graham crackers: Fresh graham crackers provide the best flavor and texture. Always check the expiration date before using.
  • Not chilling long enough: Allowing the bars to chill properly ensures a set filling. Aim for at least 2-4 hours for the best results.
  • Overbaking the filling: Keep an eye on the baking time. Overbaking can cause the filling to crack and lose its creamy texture.
  • Skipping the lime zest: Lime zest adds a burst of flavor. Don’t skip it; it enhances the overall taste of the bars.
  • Using regular limes instead of key limes: For authentic flavor, use key lime juice when possible. It gives the bars their signature tartness.

Storage & Reheating Instructions

Refrigerator Storage

  • Store key lime pie bars in an airtight container in the fridge.
  • They will keep well for up to 5 days.
  • Make sure to separate layers with parchment paper to avoid sticking.

Freezing Key Lime Pie Bars

  • Wrap individual bars tightly in plastic wrap before placing them in a freezer-safe container.
  • They can last up to 2 months in the freezer.
  • Thaw in the refrigerator overnight before serving.

Reheating Key Lime Pie Bars

  • Oven: Preheat your oven to 350°F and warm for about 10 minutes until slightly soft.
  • Microwave: Heat individual bars on low power for about 15-20 seconds.
  • Stovetop: Place a bar in a pan over low heat for a few minutes until warmed through.

Frequently Asked Questions

If you have questions about making key lime pie bars, we’ve got you covered!

Can I use regular limes instead of key limes?

Yes, while key limes offer a unique flavor, regular limes will work if they are all you have on hand.

How do I know when my key lime pie bars are done?

The filling should be set but not browned on top. A slight jiggle is fine; it will firm up as it cools.

Can I make these key lime pie bars ahead of time?

Absolutely! They can be made a day or two ahead and stored in the refrigerator until ready to serve.

What other flavors can I add to key lime pie bars?

You can experiment with adding coconut, berries, or even chocolate chips for a different twist on this classic dessert.

How should I cut my key lime pie bars?

For clean cuts, use a sharp knife dipped in hot water. Wipe clean between cuts for perfect slices.

Final Thoughts

Key lime pie bars are a delightful blend of tartness and creaminess that makes them perfect for any occasion. Their versatility allows for various customization options, from adding fruit toppings to experimenting with different crusts. Give this recipe a try; your taste buds will thank you!

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Key Lime Pie Bars

Key Lime Pie Bars


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  • Author: Aleena
  • Total Time: 43 minutes
  • Yield: Approximately 9 servings 1x
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Description

Indulge in the refreshing taste of Key Lime Pie Bars, a delightful dessert that combines a buttery graham cracker crust with a creamy, tart lime filling. Perfect for warm summer days or festive occasions, these bars are sure to be a hit at any gathering. With their easy preparation and make-ahead convenience, you can enjoy them without the stress of last-minute baking. Just 15 minutes of prep time leads to a luscious treat that balances sweet and tangy flavors, making each bite irresistible. Serve chilled with your favorite toppings for an extra touch of elegance!


Ingredients

Scale
  • 15 sheets graham crackers
  • 2 tablespoons sugar
  • pinch salt
  • 6 tablespoons unsalted butter (melted)
  • 6 ounces cream cheese (room temperature)
  • 1 (14-ounce) can sweetened condensed milk
  • 4 egg yolks
  • 1 tablespoon lime zest
  • ½ cup key lime juice (or regular lime juice)
  • ½ teaspoon vanilla extract

Instructions

  1. Preheat the oven to 350°F and line a 9×9-inch baking pan with parchment paper.
  2. Crush graham crackers in a food processor or bag, then mix with melted butter and press into the bottom of the pan.
  3. Bake crust for 10 minutes until golden.
  4. In a mixing bowl, beat cream cheese until smooth; gradually add sweetened condensed milk.
  5. Mix in egg yolks one at a time, then stir in lime juice and zest until smooth.
  6. Pour filling over the baked crust and bake for another 15-18 minutes until set.
  7. Chill in the refrigerator for at least 2-4 hours before serving.
  • Prep Time: 15 minutes
  • Cook Time: 28 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 bar (60g)
  • Calories: 200
  • Sugar: 15g
  • Sodium: 90mg
  • Fat: 10g
  • Saturated Fat: 6g
  • Unsaturated Fat: 3g
  • Trans Fat: 0g
  • Carbohydrates: 25g
  • Fiber: 1g
  • Protein: 3g
  • Cholesterol: 40mg

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