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Key Lime Bars Recipe

Crumbly crust, tart lime filling, and delicious powdered sugar topping. These Key Lime Pie Bars take dessert to the next level!
Prep Time15 mins
Cook Time10 mins
Total Time25 mins
Course: Dessert
Cuisine: American
Keyword: key lime dessert, Key Lime Pie, key lime pie bars, pie bars
Servings: 24
Calories: 269kcal



  • 1 cup butter softened
  • ½ cup sugar
  • 2 cups flour
  • ¼ teaspoon salt


  • 3 cups sugar
  • 6 large eggs beaten
  • 1 lime zested
  • 1 cup lime juice fresh or bottled
  • 1 cup flour


  • ½ cup powdered sugar


  • Heat oven to 350 degrees F.
  • Spray a 9x13-inch baking pan with nonstick cooking spray.
  • Cream together softened butter and sugar in a large mixing bowl. Add flour and salt and mix until blended. Press into the bottom of prepared pan and bake for 15 minutes.
  • While crust is cooking, make filling by mixing together sugar, eggs, lime zest, lime juice, and flour. Pour filling over hot crust and bake for about 25 -30 minutes or until set.
  • Remove from oven and dust with powdered sugar.
  • Cool completely and cut into squares, top with a slice of lime.


Calories: 269kcal | Carbohydrates: 45g | Protein: 3g | Fat: 9g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 1g | Cholesterol: 67mg | Sodium: 110mg | Potassium: 52mg | Fiber: 1g | Sugar: 32g | Vitamin A: 310IU | Vitamin C: 4mg | Calcium: 14mg | Iron: 1mg