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Delicious Key Lime Pie Bars with a graham cracker crust and tart lime filling.

Key Lime Pie Bars

These Key Lime Pie Bars are a refreshing treat that combines tangy fresh limes and sweet creaminess with a buttery crust, perfect for summer gatherings.
Prep Time 30 minutes
Cook Time 25 minutes
Total Time 2 hours
Course Dessert
Cuisine American
Servings 9 bars
Calories 220 kcal

Ingredients
  

Crust Ingredients

  • 2 cups vanilla wafer cookies, finely ground You can substitute with graham crackers.
  • 5 tablespoons unsalted butter, melted Ensure butter is melted but not boiling.
  • 2 tablespoons light brown sugar Can substitute with granulated sugar if needed.

Filling Ingredients

  • 1 tablespoon lime zest Use a zester to avoid the bitter white pith.
  • 5 large egg yolks Make sure no whites are mixed in.
  • 22 ounces sweetened condensed milk Use full-fat for creaminess.
  • 1 cup freshly squeezed lime juice Avoid bottled juice for the best flavor.

Topping Ingredients

  • 1 cup heavy whipping cream Chill before whipping for better results.
  • 2 tablespoons powdered sugar Use to taste for desired sweetness.

Instructions
 

Preparation

  • Preheat your oven to 350°F (175°C).
  • Combine the vanilla wafer cookies, melted butter, and light brown sugar in a medium mixing bowl. Mix until well combined.
  • Pour into a greased 9x9 inch pan, pressing it evenly across the bottom.
  • Bake for 10 minutes until lightly golden.
  • In a separate mixing bowl, whisk together the egg yolks and lime zest. Slowly incorporate the sweetened condensed milk, followed by the freshly squeezed lime juice.
  • Pour the filling over the pre-baked crust and bake for an additional 15 minutes.
  • Remove from the oven and cool at room temperature for 30 minutes. Then transfer to the refrigerator for at least 1 hour.
  • Whip the heavy cream with powdered sugar until stiff peaks form.
  • Slice the cooled bars into squares and top each piece with a dollop of whipped cream and optional lime zest.

Notes

For extra flavor, consider adding a hint of lime extract to the filling. Serve chilled for the best flavor experience.
Keyword Citrus Dessert, Dessert Bars, Key Lime Pie Bars, no-bake dessert, summer dessert