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Best lemon bars with shortbread crust on a white plate dusted with powdered sugar and garnished with lemon zest

Best Lemon Bars with Shortbread Crust

This best lemon bars with shortbread crust recipe combines a buttery shortbread base with a creamy, tangy lemon filling. A perfect treat for fans of classic lemon bars!
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 3 hours 50 minutes
Course Dessert
Cuisine American
Servings 24 bars

Ingredients
  

  • 1 cup (16 Tbsp; 226g) unsalted butter melted
  • 1/2 cup (100g) granulated sugar
  • 2 teaspoons pure vanilla extract
  • 1/2 teaspoon salt
  • 2 cups + 2 tablespoons (265g) all-purpose flour spooned and leveled
  • 2 cups (400g) granulated sugar
  • 6 tablespoons (46g) all-purpose flour
  • 6 large eggs
  • 1 cup (240ml) fresh lemon juice about 4 lemons
  • 2 teaspoons fresh lemon zest optional
  • Confectioners' sugar for dusting (optional)

Instructions
 

  • Preheat the oven to 325°F (163°C). Line a 9×13-inch glass baking pan with parchment paper, leaving an overhang for easy lifting.
  • Make the crust: Mix melted butter, sugar, vanilla extract, and salt in a medium bowl. Stir in flour until a thick dough forms. Press evenly into the prepared pan. Bake for 20-22 minutes until edges are lightly golden. Poke holes in the crust with a fork to help the filling stick.
  • Prepare the filling: Sift sugar and flour into a large bowl. Whisk in eggs, followed by fresh lemon juice and zest. Pour filling over the warm crust.
  • Bake the bars for 22-26 minutes, or until the center is set and doesn’t jiggle when tapped. Allow the pan to cool completely.
  • Chill the bars in the refrigerator for 2-3 hours. Use parchment overhang to lift and dust with confectioners' sugar before cutting into squares.