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Classic Lemon Bars Recipe

Classic Lemon Bars

Classic lemon bars with a thick, buttery, shortbread crust and a tangy lemon custard filling, garnished with powdered sugar. These make the perfect treat for any gathering!

Course Dessert
Cuisine American
Keyword lemon, lemon bars, shortbread crust
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings 16
Calories 233 kcal


Shortbread Crust

  • 1 cup butter at room temperature
  • 1/2 cup powdered sugar
  • 2 cups all purpose flour
  • 1/2 teaspoon salt

Lemon Filling

  • 1 cup granulated sugar
  • 1 tablespoon grated lemon zest
  • 2 tablespoons all purpose flour
  • 1/8 teaspoon salt
  • 2 eggs at room temperature
  • 1/3 cup freshly squeezed lemon juice about 2-3 lemons


  • powdered sugar


Shortbread Crust

  1. Gather ingredients. Preheat the oven to 350F with the oven rack in the center.

    Classic Lemon Bars Ingredients
  2. In electric mixer, beat butter until smooth. Add sugar until well combined. Add flour and salt and continue to combine until dough forms.

    Classic Lemon Bars Shortbread Dough
  3. Press shortbread mixture into the bottom of baking dish and bake for 18-20 minutes or until the edging is starting to brown.

    Classic Lemon Bars Pressed Shortbread Dough
  4. Remove from oven and cool on wire rack.

    Classic Lemon Bars Cooked Shortbread Crust

Lemon Filling

  1. Whisk eggs in a large bowl.

    Classic Lemon Bars Whisked Eggs
  2. Gradually mix in the sugar, lemon zest, flour and salt to the egg mixture until smooth. Mix in lemon juice.

    Classic Lemon Bars Filling
  3. Pour lemon filling over the shortbread curst and bake for 18-20, or until the filling is set. Remove from oven and cool on wire rack. Once cooled to room temperature, refrigerate the bars until firm, about 1-2 hours.

    Classic Lemon Bars Ready for Oven
  4. Cut lemon bars into squares and garnish with powdered sugar.

    Classic Lemon Bars Recipe

Recipe Video

Recipe Notes

Serving size is based on one square, when the lemon bars are divided into 16 squares.

Any nutritional information on RainbowDelicious.com should only be used as a general guideline. This information is provided as a courtesy and there is no guarantee that the information will be completely accurate. The nutritional labels are a product of online calculators such as (but not limited to) Verywellfit.com   Although RainbowDelicious.com attempts to provide accurate nutritional information, these figures should be considered only as estimates. Varying factors such as product types or brands purchased, natural fluctuations in fresh produce, and the way ingredients are processed change the effective nutritional information in any given recipe.

Nutrition Facts
Classic Lemon Bars
Amount Per Serving
Calories 233 Calories from Fat 111
% Daily Value*
Fat 12.3g19%
Saturated Fat 7.5g47%
Cholesterol 51mg17%
Sodium 180mg8%
Potassium 36mg1%
Carbohydrates 29.2g10%
Fiber 0.5g2%
Sugar 16.4g18%
Protein 2.6g5%
Calcium 10mg1%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.