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Close up image of Lemon squares stacked on a cake plate
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5 from 3 votes

Old Fashioned Lemon Squares Recipe

We love all things lemon, and this easy Old Fashioned Lemon Squares Recipe does not disappoint. It is sweet and tangy for the perfect dessert. The powdered sugar on top of each slice adds the perfect amount of sweetness.
Prep Time20 minutes
Cook Time40 minutes
Total Time1 hour
Course: Dessert
Cuisine: American
Keyword: Lemon Squares
Servings: 12
Calories: 381kcal
Cost: $8.66, $0.36 per serving.

Ingredients

  • Crust:
  • 1/2 cup powdered sugar
  • 1 cup 2 sticks butter softened
  • 2 cups flour
  • Filling:
  • 2 cups granulated sugar
  • 4 eggs
  • 1/3 cup freshly squeezed lemon juice
  • 1/4 teaspoon lemon extract
  • 1/2 teaspoon baking powder

Instructions

  • Preheat the oven to 350°F. Line a 9x13-inch baking pan with foil or parchment paper and coat it with nonstick cooking spray.
  • In a large mixing bowl, beat together 1/2 cup powdered sugar and 1 cup (2 sticks) softened butter until light and creamy.
  • Gradually mix in 2 cups all-purpose flour until a thick dough forms.
  • Press the dough evenly into the prepared baking pan.
  • Bake for 15-20 minutes, or until the edges are lightly golden but the top is still pale.
  • While the crust bakes, whisk together 2 cups granulated sugar, 4 eggs, 1/3 cup freshly squeezed lemon juice, 1/4 teaspoon lemon extract, and 1/2 teaspoon baking powder until smooth. Do not overmix.
  • Remove the crust from the oven and immediately pour the lemon filling evenly over the hot crust.
  • Return the pan to the oven and bake for 15-20 minutes, or until the center is set and no longer jiggles when gently shaken.
  • Let the lemon bars cool completely in the pan before lifting them out using the foil or parchment overhang. Cut into squares and serve.

Nutrition

Calories: 381kcal | Carbohydrates: 54g | Protein: 4g | Fat: 17g | Saturated Fat: 10g | Cholesterol: 95mg | Sodium: 157mg | Potassium: 64mg | Fiber: 1g | Sugar: 38g | Vitamin A: 552IU | Calcium: 23mg | Iron: 1mg
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