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Squares of a creamy key lime pie bars recipe with a white frosting are arranged on a wooden platter. The bars are sprinkled with green zest, and fresh limes are placed nearby.
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Key Lime Pie Bars Recipe

This Key Lime Pie Bars recipe is rich, tangy, and creamy. Made with a buttery crust and zesty lime filling, this easy dessert is a refreshing treat everyone will love!
Prep Time20 minutes
Cook Time35 minutes
Total Time55 minutes
Course: Dessert
Cuisine: American
Servings: 16
Calories: 310kcal
Author: Maggie Unzueta

Ingredients

For the Crust

For the Filling

  • 8 ounces cream cheese softened
  • 1 14- ounce can sweetened condensed milk
  • 1 tablespoon lime zest
  • 4 egg yolks
  • ½ cup lime juice

Topping

Instructions

  • Preheat the oven to 325°F (163°C).
  • Line an 8x8 baking dish with parchment paper, leaving an overhang for easy removal.

For the Crust:

  • In a bowl, mix finely ground vanilla wafer cookies, melted butter, and brown sugar until combined.
  • Press the mixture evenly into the bottom of the baking dish to form the crust.
  • Bake the crust for 8–10 minutes, then remove from the oven and set aside to cool.

For the Filling:

  • In a separate bowl, beat together softened cream cheese, sweetened condensed milk, lime zest, egg yolks, and lime juice until smooth.
  • Pour the filling over the cooled crust and smooth the top.
  • Bake for 20–25 minutes, or until the edges are set and the center is slightly jiggly.
  • Remove from the oven and cool to room temperature, then refrigerate for at least 2 hours to fully set.

Topping:

  • In a separate bowl, whip the heavy cream and powdered sugar until soft peaks form.
  • Spread the whipped cream evenly over the cooled cheesecake bars.
  • Garnish with extra lime zest for decoration.
  • Slice into 16 bars and serve chilled.

Notes

  • Can I use regular limes instead of key limes?
    Yes! Key limes have a more floral, tangy flavor, but regular limes work just fine and are easier to find.
  • How do I store leftover bars?
    Keep them in an airtight container in the fridge. They’ll stay fresh for up to 5 days.
  • Can I freeze Key Lime Pie Bars?
    Yes, you can freeze them before adding the whipped topping. Wrap tightly in plastic and freeze for up to 2 months. Thaw in the fridge overnight, then add the topping before serving.
  • What’s the best way to cut clean slices?
    Use a sharp knife and wipe it clean between each slice. Chilling the bars well before cutting also helps keep edges neat.

Nutrition

Calories: 310kcal | Carbohydrates: 30g | Protein: 5g | Fat: 20g | Saturated Fat: 11g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 5g | Trans Fat: 0.2g | Cholesterol: 98mg | Sodium: 141mg | Potassium: 160mg | Fiber: 0.2g | Sugar: 23g | Vitamin A: 658IU | Vitamin C: 3mg | Calcium: 108mg | Iron: 0.2mg