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If you’re looking for a refreshing dessert that captures the essence of summer, these Easy Key Lime Bars with Graham Cracker Crust are the perfect choice. With their creamy, tangy filling and a buttery, crumbly crust, they provide a delightful balance of flavors and textures. Plus, they’re simple to make, making them an ideal treat for gatherings or just to enjoy at home.
Why You’ll Love This Recipe
These Key Lime Bars are not only delicious but also incredibly easy to prepare. They offer a zesty punch that’s perfect for warm days, and their creamy texture is sure to please everyone.
- Bright and zesty flavor from fresh key limes.
- Easy to make with minimal ingredients.
- Perfectly complements summer gatherings.
- Can be made in advance for convenience.
- Deliciously satisfying with a buttery graham cracker crust.
Ingredients
- 1 ½ cups graham cracker crumbs
- ½ cup unsalted butter, melted
- 1 cup granulated sugar
- 2 large eggs
- ¾ cup fresh key lime juice
- 1 can (14 ounces) sweetened condensed milk
- 1 teaspoon lime zest
- ¼ teaspoon salt
How to Make Key Lime Bars
- Preheat your oven to 350°F (175°C). Line an 8×8-inch baking dish with parchment paper, leaving some overhang for easy removal later.
- In a medium bowl, combine the graham cracker crumbs and melted butter. Mix until the crumbs are evenly coated and resemble wet sand.
- Press the mixture firmly into the bottom of the prepared baking dish to form a crust. Bake for 10 minutes, then remove from the oven and let it cool slightly.
- In a separate bowl, whisk together the granulated sugar, eggs, key lime juice, sweetened condensed milk, lime zest, and salt until smooth and well combined.
- Pour the key lime filling over the cooled crust, spreading it evenly.
- Bake for an additional 15-20 minutes, or until the filling is set but still slightly jiggly in the center.
- Remove from the oven and allow to cool at room temperature for about 30 minutes, then refrigerate for at least 2 hours before slicing.
- Once chilled, lift the bars out of the dish using the parchment paper, slice into squares, and serve.
Tips for the Best Results
- Use fresh key limes for the best flavor; bottled juice lacks the vibrant taste.
- Make sure not to overbake the bars; they should have a slight jiggle in the center when done.
- Allow the bars to chill completely for the best texture.
- Garnish with additional lime zest or whipped cream for an extra touch.
Easy Variations
- Substitute regular limes for key limes if you can’t find them.
- Add a dollop of whipped cream or a sprinkle of coconut on top for a tropical twist.
- For a gluten-free version, use gluten-free graham crackers.
What to Serve With It
- A scoop of vanilla ice cream or whipped cream.
- Fresh berries like strawberries or blueberries for added color and flavor.
- Iced tea or lemonade for a refreshing beverage pairing.
Storage and Reheating
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Store any leftover Key Lime Bars in an airtight container in the refrigerator for up to 5 days. They can also be frozen for up to 2 months; just make sure to wrap them tightly in plastic wrap and then foil to prevent freezer burn. Thaw in the refrigerator before serving.
Recipe Card
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 2 hours 45 minutes (including chilling)
Yield: 16 bars
Ingredients:
- 1 ½ cups graham cracker crumbs
- ½ cup unsalted butter, melted
- 1 cup granulated sugar
- 2 large eggs
- ¾ cup fresh key lime juice
- 1 can (14 ounces) sweetened condensed milk
- 1 teaspoon lime zest
- ¼ teaspoon salt
Instructions:
- Preheat your oven to 350°F (175°C). Line an 8×8-inch baking dish with parchment paper.
- Combine graham cracker crumbs and melted butter; press into the bottom of the dish.
- Bake crust for 10 minutes, then let cool slightly.
- Whisk together sugar, eggs, key lime juice, sweetened condensed milk, lime zest, and salt until smooth.
- Pour filling over the cooled crust and bake for 15-20 minutes.
- Cool at room temperature, then refrigerate for at least 2 hours before slicing.
- Slice into squares and serve chilled.
Notes: Use fresh key limes for best flavor and ensure bars are completely chilled for optimal texture.





















