Key Lime Shortbread Bars Recipe

User Reviews

5

14 reviews
Excellent
  • Prep Time

    10 mins

  • Cook Time

    30 mins

  • Total Time

    40 mins

  • Servings

    24

  • Calories

    253 kcal

  • Course

    Dessert

  • Cuisine

    American

Key Lime Shortbread Bars Recipe

Key Lime Shortbread Bars are a two-layer dessert featuring a buttery shortbread crust topped with a tangy, creamy key lime filling made from egg yolks, sweetened condensed milk, lime and lemon juices, and citrus zest. The bars bake until set and chill to develop a firm texture, ideal for slicing and serving chilled with whipped cream and lime slices.

Description

This Key Lime Shortbread Bars recipe begins with a classic shortbread crust made from butter, flour, and confectioner’s sugar pressed into a pan and baked until lightly golden. After cooling, a filling is prepared by whisking egg yolks with sweetened condensed milk, key lime juice, lime zest, lemon juice, and granulated sugar.

The egg whites are beaten separately with sugar until soft peaks form, then folded gently into the filling to add lightness. This mixture is spread over the cooled crust and baked at a lower temperature until set but still tender. The bars are then chilled thoroughly, which firms the citrus layer for clean slicing.

These bars offer a balance of rich, buttery shortbread and bright, tart key lime filling, making them a refreshing dessert option. They are typically served cold and garnished with whipped cream and lime slices or zest for visual appeal and enhanced flavor.

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Ingredients

Servings

For the shortbread crust:

  • 1 shortbread crust recipe

For the key lime layer:

  • 3 large egg separated
  • 1 (14-ounce) can sweetened condensed milk
  • 1/2 /2 cup key lime juice
  • 1 tablespoon lime zest approximately
  • 1 tablespoon lemon juice
  • 2 tablespoons granulated sugar

For the Optional Garnish:

  • Whipped Cream
  • lime optional, slices

Instructions

For the shortbread crust:

  1. Preheat oven to 350º F.
  2. Mix together butter, flour, and confectioner’s sugar. Press into the bottom of a 9×13-inch baking pan. Bake for approximately 12-15 minutes, or until lightly golden brown.
  3. Remove from oven and allow to cool completely before filling.

For the key lime layer:

  1. Reduce oven to 325º F.
  2. Whisk egg yolk, sweetened condensed milk, lime juice, lime zest, and lemon juice in a large bowl until well-combined.
  3. Beat egg whites with an electric mixture until they begin to foam. Gradually add in granulated sugar and beat until light and fluffy and soft peaks have formed. Gently fold into egg yolk mixture and carefully spread onto completely cooled shortbread crust.
  4. Bake for 15-20 minutes, until set throughout. Remove from the oven and chill on a wire rack. Lightly cover and place in the refrigerator to chill for at least 8 hours.
  5. For serving, cut into squares and top with whipped cream and lime slices or lime peeling slivers.

Nutrition Information

Show Details
Calories 253kcal (13%) Carbohydrates 22g (7%) Protein 4g (8%) Fat 17g (26%) Saturated Fat 10g (50%) Polyunsaturated Fat 5g (29%) Monounsaturated Fat 4g (20%) Trans Fat 1g (50%) Cholesterol 68mg (23%) Sodium 85mg (4%) Potassium 38mg (1%) Fiber 1g (4%) Sugar 4g (8%) Vitamin A 560IU (11%) Vitamin C 2mg (2%) Calcium 21mg (2%) Iron 1mg (6%)

Nutrition Facts

Serving: 24Serving

Amount Per Serving

Calories 253 kcal

% Daily Value*

Calories 253kcal 13%
Carbohydrates 22g 7%
Protein 4g 8%
Fat 17g 26%
Saturated Fat 10g 50%
Polyunsaturated Fat 5g 29%
Monounsaturated Fat 4g 20%
Trans Fat 1g 50%
Cholesterol 68mg 23%
Sodium 85mg 4%
Potassium 38mg 1%
Fiber 1g 4%
Sugar 4g 8%
Vitamin A 560IU 11%
Vitamin C 2mg 2%
Calcium 21mg 2%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5

14 reviews
Excellent

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