
Key Lime Pie Bars
There’s something wonderfully refreshing about Key Lime Pie Bars that makes them a beloved treat, especially during warmer months. These zesty bars offer the perfect balance of sweetness and tartness, presenting an irresistible combination that leaves dessert lovers craving more. Whether you’re hosting a summer barbecue, celebrating a special occasion, or simply indulging in a well-deserved homemade treat, these bars are a delightful choice. With their creamy filling nestled atop a buttery graham cracker crust, they capture the essence of a classic Key lime pie in a more portable form. Your friends and family will love the vibrant flavors and the way these bars melt in your mouth!
Perfectly chilled and festively adorned with a dollop of whipped cream, these Key Lime Pie Bars are not just a feast for the taste buds but a gorgeous addition to any dessert table. Every bite transports you to a sun-kissed beach, making them a must-try recipe for anyone who appreciates a good balance of flavors in their desserts. Get ready to impress your loved ones with this easy, tantalizing recipe!

This is what the finished dish looks like when perfectly baked.
Ingredients
- 1 1/2 cups graham cracker crumbs
- 1/3 cup sugar
- 1/2 cup unsalted butter, melted
- 2 cans (14 oz each) sweetened condensed milk
- 1/2 cup fresh key lime juice
- 1 tablespoon lime zest
- 1/4 teaspoon salt
- Whipped cream for serving (optional)

Prepare the crust with graham cracker crumbs and butter for a perfect base.
Directions
- Preheat your oven to 350°F (175°C).
- In a medium bowl, mix graham cracker crumbs, sugar, and melted butter until well combined. Press the mixture into the bottom of a greased baking dish to form the crust.
- Bake the crust for 10 minutes and then remove it from the oven.
- In another bowl, whisk together the sweetened condensed milk, key lime juice, lime zest, and salt until smooth.
- Pour the key lime filling over the baked crust.
- Bake again for 15-20 minutes until set.
- Let cool to room temperature and then refrigerate for at least 2 hours before serving.
- Cut into bars and serve with whipped cream if desired.
Tips & Variations
- Ingredient substitutions: If fresh key limes aren’t available, you can use bottled key lime juice. For a gluten-free version, substitute graham cracker crumbs with gluten-free cracker crumbs.
- Optional variations: Add a touch of coconut by incorporating shredded coconut into the crust, or change up the flavor with a hint of orange zest in the filling for a citrus twist.
- Storage or reheating tips: Store leftovers in an airtight container in the refrigerator for up to a week. These bars taste even better the next day as the flavors continue to meld!
Recipe Information
- Prep time: 15 minutes
- Cook time: 30 minutes
- Total time: 2 hours 45 minutes (includes chilling time)
- Servings: 12 bars
- Difficulty level: Easy


Key Lime Pie Bars
Ingredients
For the crust
- 1.5 cups graham cracker crumbs
- 0.33 cups sugar
- 0.5 cups unsalted butter, melted
For the filling
- 28 oz sweetened condensed milk (2 cans, 14 oz each) Use full-fat for a creamier filling.
- 0.5 cups fresh key lime juice Bottled key lime juice can be used as a substitute.
- 1 tablespoon lime zest
- 0.25 teaspoon salt
For serving
- Whipped cream Optional topping.
Instructions
Preparation
- Preheat your oven to 350°F (175°C).
- In a medium bowl, mix graham cracker crumbs, sugar, and melted butter until well combined. Press the mixture into the bottom of a greased baking dish to form the crust.
- Bake the crust for 10 minutes and then remove it from the oven.
Filling
- In another bowl, whisk together the sweetened condensed milk, key lime juice, lime zest, and salt until smooth.
- Pour the key lime filling over the baked crust.
- Bake again for 15-20 minutes until set.
- Let cool to room temperature and then refrigerate for at least 2 hours before serving.
Serving
- Cut into bars and serve with whipped cream if desired.
