Key Lime Bars

5.0
(1)

Key lime pie bars with a crisp, buttery base and a soft, custardy, sour lime topping.

Prep Time:
25 mins
Cook Time:
45 mins
Additional Time:
1 hrs
Total Time:
2 hrs 10 mins
Servings:
16
Yield:
16 bars

Ingredients

Pastry Crust:

  • 6 tablespoons unsalted butter, softened

  • 1 cup all-purpose flour

  • ¼ cup firmly packed light brown sugar

  • ¼ teaspoon salt

Lime Layer:

  • 2 medium limes, zested and juiced

  • 3 tablespoons Key lime juice

  • ¾ cup white sugar

  • 2 large eggs

  • 2 tablespoons all-purpose flour

  • ¼ teaspoon double-acting baking powder

  • 1 drop green food coloring

  • 1 tablespoon confectioners' sugar, or to taste

Directions

  1. Preheat the oven to 350 degrees F (175 degrees C). Line an 8-inch square baking pan with aluminum foil, then brush with melted butter. Place pan in the freezer until needed.

  2. Cream butter for crust in a bowl with an electric mixer. Beat in flour, brown sugar, and salt. If mixture does not hold together, knead it on a work surface. Place mounds of the mixture in the cold baking pan; press with your fingers to smooth it into a firm layer on the bottom.

  3. Bake in the preheated oven until lightly colored, about 18 minutes.

  4. While the crust is baking, prepare lime layer: pour 2 tablespoons regular lime juice into a small bowl. Discard any extra, or reserve for another use. Add lime zest and Key lime juice; mix to combine.

  5. Combine sugar, eggs, flour, and baking powder in a bowl; beat with an electric mixer at high speed for 1 minute. Stir in lime zest-juice mixture and food coloring.

  6. Remove crust from the oven and immediately pour lime mixture over top. Return to the oven and bake until top is light colored and custardy, 25 to 30 minutes. Remove from the oven and let cool, about 30 minutes. Move to the freezer and chill for 30 minutes.

  7. Remove from the pan and cut into 16 squares. Sprinkle confectioners' sugar on top.

Nutrition Facts (per serving)

134 Calories
5g Fat
21g Carbs
2g Protein
Nutrition Facts
Servings Per Recipe 16
Calories 134
% Daily Value *
Total Fat 5g 6%
Saturated Fat 3g 15%
Cholesterol 35mg 12%
Sodium 55mg 2%
Total Carbohydrate 21g 8%
Dietary Fiber 1g 2%
Total Sugars 13g
Protein 2g
Vitamin C 3mg 17%
Calcium 16mg 1%
Iron 1mg 3%
Potassium 36mg 1%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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