Best Lemon Squares

Lemony custard is baked on top of a simple crust in this recipe for the best lemon squares that has been passed down through many generations.

• Preparation Time: 15 mins
• Cooking Time: 45 mins
• Total Time: 60 mins
• Calories: 398 Calories

Ingredients

• 2 cups all-purpose flour
• 2 cups white sugar
• 1 teaspoon baking powder
• 4 eggs
• confectioners' sugar for dusting
• cooking spray
• 1 teaspoon lemon zest, or to taste
• 1 cup cold butter
• 0.25 cup all-purpose flour
• 0.5 cup confectioners' sugar
• 0.25 cup lemon juice, or more to taste

Recipe Instructions

Step 1

Preheat oven to 350 degrees F (175 degrees C). Spray a 9x13-inch baking dish with cooking spray.

Step 2

Bake in the preheated oven until the edges of the crust are golden brown, 18 to 22 minutes. Cool crust to room temperature.

Step 3

Beat white sugar, eggs, 1/4 cup flour, lemon juice, baking powder, and lemon zest together in a bowl using an electric mixer until light and fluffy; pour onto the cooled crust.

Step 4

Process 2 cups flour, butter, and 1/2 cup confectioners' sugar in a food processor until mixture resembles coarse crumbs; press into the prepared baking dish.

Step 5

Bake in the oven until custard is set, 25 to 28 minutes. Cool lemon squares completely; dust the top with more confectioners' sugar.