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Recipe by
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Prep time20 minutes
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Cook Time1 hour
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Serves10-12
Equipment: Parchment Paper Squares
Crust Ingredients
249 g all-purpose flour
76 g powdered sugar
30 g cornstarch
1 teaspoon kosher salt
12 tablespoons butter, softened
¼ cup ice water
Citrus Filling Ingredients
4 eggs
275 g granulated sugar
71 g flour
2 teaspoon citrus zest (either lemon, lime or grapefruit)
⅔ citrus juice (either lemon, lime, or grapefruit)
⅓ cup whole milk
1 teaspoon kosher salt
Crust Preparation
Preheat oven to 350°F with a rack positioned in the middle of the oven. Line an 8-inch square baking pan with parchment paper and spray with cooking spray. Set aside.
In the bowl of a stand mixer fitted with a paddle attachment, combine flour, sugar, cornstarch, salt, and butter. Mix on medium low until butter resembles course meal. Add water 1 tablespoon at a time until mixture just comes together. It will still be quite crumbly.
Pour mixture into pan and press into an even layer and up the sides about ½ inch.
Place pan in freezer for 10-15 minutes until crust is firm.
Bake until golden brown, about 25-30 minutes.
Filling Preparation
Whisk eggs, sugar, and flour in a medium bowl. Stir in the citrus zest, juice, milk and salt until fully combined. Set aside.
Reduce oven to 325°F. Remove hot crust from oven and pour filling mixture into the pan.
Bake until filling feels firm when touched lightly, about 25-30 minutes.
Transfer pan to a wire rack and allow to cool for 30 minutes.
Remove bars from pan and cut into squares. Top with a dusting of powdered sugar. Store in the refrigerator for up to 2 days.