Key Lime Pie Bars – Tangy, Creamy, and Refreshing

Key Lime Pie Bars are a tangy, creamy, and refreshing dessert perfect for summer, brunches, or parties. Made with a buttery graham cracker crust and a smooth lime filling, they’re easy to make in a single pan and cut into perfect bars. Their sweet-tart flavor and creamy texture make them irresistible. Save this recipe for a quick, crowd-pleasing dessert anytime!

Why You’ll Love This Recipe

• Tangy and creamy with balanced sweetness
• Easy, one-pan dessert perfect for summer
• Makes bite-sized bars for parties or family gatherings
• No baking required for the filling; crust bakes quickly
• Works well for make-ahead and serving chilled

Ingredients

Crust

• 1 ½ cups graham cracker crumbs
• ⅓ cup granulated sugar
• 6 tablespoons unsalted butter, melted

Filling

• 3 large eggs
• 1 can (14 ounces) sweetened condensed milk
• ½ cup key lime juice (fresh or bottled)
• 1 teaspoon lime zest
• ½ teaspoon vanilla extract

Topping (Optional)

• Whipped cream
• Extra lime zest

Step-by-Step Instructions

1. Preheat oven to 350°F. Line an 8×8-inch baking pan with parchment paper.
2. Combine graham cracker crumbs, sugar, and melted butter in a bowl.
3. Press mixture firmly into the bottom of the prepared pan.
4. Bake crust for 8–10 minutes until lightly golden. Let it cool slightly.
5. In a medium bowl, whisk together eggs, sweetened condensed milk, key lime juice, lime zest, and vanilla extract until smooth.
6. Pour filling over the baked crust, spreading evenly.
7. Bake for 15–18 minutes until filling is just set; it should slightly jiggle in the center.
8. Cool to room temperature, then refrigerate for at least 2 hours before cutting.
9. Slice into squares and top with whipped cream and extra lime zest if desired.

Tips & Variations

• Use fresh key lime juice for the best tangy flavor
• Press crust firmly for a stable base that holds bars together
• Add a pinch of salt to the crust to balance sweetness
• Top with whipped cream or meringue for an extra treat
• Substitute regular lime juice if key limes are unavailable

Storage & Freezer Instructions

• Store bars in an airtight container in the refrigerator for up to 4 days
• Keep topped bars chilled to maintain the creamy texture
• Freeze unfrosted bars tightly wrapped for up to 2 months
• Thaw in the refrigerator overnight before serving
• Avoid freezing whipped cream topping; add fresh before serving

Serving & Pairing Ideas

• Serve chilled with a cup of iced tea or lemonade
• Garnish with lime slices or zest for presentation
• Pair with fresh berries for added freshness
• Cut into smaller squares for party platters or snacks
• Enjoy as a refreshing end to a summer meal

Frequently Asked Questions

Can I make Key Lime Pie Bars without eggs?

Yes, you can use a no-bake filling made from sweetened condensed milk, lime juice, and gelatin, but texture will differ slightly.

Can I use bottled lime juice?

Yes, bottled lime juice works, though fresh key lime juice provides the brightest flavor.

How do I prevent the crust from crumbling?

Press the graham cracker mixture firmly and evenly into the pan. Baking it before adding the filling stabilizes the crust.

Can I make these bars ahead?

Yes! Refrigerate the bars for up to 2 days before serving. Add toppings like whipped cream just before serving.

Ready to Make It?

Key Lime Pie Bars are creamy, tangy, and refreshingly sweet—a perfect make-ahead dessert for summer, gatherings, or anytime you crave a citrusy treat. Save this recipe and enjoy these easy, crowd-pleasing bars whenever you want a bite of sunshine.

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