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Key Lime Bars


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Rate this recipe 3.7/5 (3 Votes)


  • For The Crust:
  • 1 cup unsalted butter, room temperature
  • 1/2 cup confectioner's sugar
  • 2 cups all-purpose flour
  • 1/4 teaspoon salt
  • For Key Lime Topping:
  • 4 large eggs
  • 2 cups sugar
  • 6 tablespoons all-purpose flour
  • 1/4 cup plus two tablespoons key lime juice
  • 2 teaspoons grated key lime zest


Adapted from


Step 1

Preheat oven to 350°F. Grease a 9 by 13 inch baking pan


In a large bowl, beat together butter and sugar until light and fluffy, about 2 minutes. Add salt and flour and beat until well combined, about one minute. Dough will be slightly sticky. Dip your hands in flour then press dough evenly across bottom of baking pan. Bake until crust is just turning golden brown, about 25 minutes. Let crust cool to room temperature.


In a large bowl, beat together eggs and sugar until well combined, about two minutes. Beat in flour until evenly incorporated, then lime juice and zest. Pour topping over cooled crust.


Bake until the key lime mixture is set, about 25 minutes. The filling will continue to set as it cools. Let bars cool completely before cutting in squares.

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