Zesty Lemon Bars: Classic Tangy Dessert Bar Recipe

Brighten your day with a slice of sunshine — this Classic Lemon Bars recipe is straightforward, fast, and bursting with fresh lemon flavor. These bars are an ideal make-ahead dessert for potlucks, picnics, and backyard gatherings.

Powdered sugar being sifted over a lemon bar.

🍋Easy Lemon Bars

Lemon bars are one of the most cheerful desserts: bright yellow, refreshingly tart, and satisfyingly sweet. This recipe delivers a buttery shortbread crust topped with a creamy, sweet-tart lemon layer. It’s easy to follow, reliable, and balanced so each bite has the right crust-to-filling ratio. A light dusting of powdered sugar finishes them perfectly.

The most important flavor step is using fresh lemons. Fresh-squeezed juice and zest give the filling a vibrant citrus punch you won’t get from bottled juice, so it’s worth the extra few minutes to juice and zest your lemons.

You’ll love how the lemon flavor shines through — these bars are a classic lemon dessert you can trust for any occasion.

More Lemon Desserts

If you enjoy lemon desserts, consider trying Lemon Meringue Teacup Cakes with raspberries, Lemon Mousse Cakes with mixed berries, Lemon Blackberry Trifle, or Raspberry Lemon Meringue Trifle.

Table of Contents

  • 🍋Easy Lemon Bars
  • 🧾 What You’ll Need
  • Lemon Bars Recipe
  • 📸 Photo Tutorial: How to Make Lemon Bars
  • 💛 Tips for Perfect Lemon Bars
  • 💡 FAQs

🧾 What You’ll Need

Ingredients for lemon bars labeled with text.

Ingredients

Below are the main ingredients for these lemon bars. See the recipe card for exact quantities and optional notes.

For the Crust

  • Butter and salt: Unsalted butter lets you control salt precisely; use salted butter and omit added salt if preferred. For a dairy-free version, substitute your favorite vegan butter.
  • Sugar: Granulated sugar sweetens the crust.
  • Vanilla extract: Adds warmth and depth to the shortbread base.
  • Flour: All-purpose flour forms the base of the crust. Measure accurately to avoid a dense crust — a kitchen scale is recommended.

For the Filling

  • Eggs: The filling uses large eggs to create structure and richness.
  • Lemon juice and zest: Freshly squeezed juice and freshly grated zest give the best, brightest flavor.
  • Sugar: Granulated sugar sweetens the lemon filling.
  • Flour: A small amount of all-purpose flour helps the filling set and creates a creamier texture.
  • Powdered sugar: Use for dusting before serving; non-melting powdered sugar can help prevent quick melting if desired.
Hand picking up a lemon bar from a stack.

Equipment

Essential tools for making lemon bars:

  • Baking pan: A metal 9×13-inch pan is ideal to help crisp the crust. Line with foil or parchment and spray to prevent sticking.
  • Sifter: For dusting powdered sugar evenly across the finished bars.
  • Microplane: Useful for fine lemon zest; a box grater works if you don’t have one.
  • Juicer: A hand juicer speeds up extracting fresh lemon juice.
  • Chef’s knife: A sharp, large knife gives the cleanest slices; wipe the blade between cuts for best results.
Two stacked lemon bars.

Ready to Make These?

  1. Get the recipe below
  2. Scroll the step-by-step photos
  3. Read the Tips and FAQs

More Bars You’ll Love:

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Close up of two square lemon bars.

Lemon Bars

Brighten your day with a slice of sunshine — this Classic Lemon Bars recipe is quick, easy, and packed with fresh lemon flavor. They’re perfect for potlucks, picnics, and backyard barbecues.
Prep30
Cook1
Total1 30
Yields20 bars

Ingredients

For the Crust:

  • 8 oz unsalted butter, (1 cup), melted and slightly cooled
  • 3.5 oz granulated sugar, (1/2 cup)
  • 2 tsp vanilla extract
  • 1/2 tsp salt
  • 9 oz all-purpose flour, (2 cups)

For the Filling:

  • 8 large eggs
  • 1 ¼ cups fresh lemon juice
  • Zest of 2 lemons, (about 2 TBSP)
  • 19.25 oz granulated sugar, (2 3/4 cups)
  • 2.25 oz all-purpose flour, (1/2 cup)
  • Powdered sugar, for serving

Instructions

To Make the Crust:

  • Preheat the oven to 350°F. Line a 9×13-inch pan with foil or parchment so it extends up the sides and spray the lining with nonstick spray.
  • In a bowl, whisk together melted butter, granulated sugar, vanilla, and salt. Add the flour and stir with a spatula until combined and no streaks of flour remain. Scrape the dough into the pan and press into an even layer. It may look slightly greasy — that’s normal.
  • Bake the crust 25–30 minutes at 350°F, until golden brown on top. While it bakes, prepare the filling.

To Make the Filling:

  • In a large bowl, whisk together the eggs, fresh lemon juice, granulated sugar, and lemon zest. Sift the flour over the mixture and whisk until smooth.
  • When the crust is done, slide the oven rack partway out, pour the filling over the hot crust, then slide it back in. Reduce the oven temperature to 325°F and bake 25–30 minutes until the center barely jiggles when the pan is tapped.
  • Remove from the oven and cool to room temperature. For the cleanest slices, refrigerate the bars until completely cold. Lift the bars from the pan using the foil or parchment, and use a large, sharp chef’s knife, wiping it clean between cuts.
  • Dust with powdered sugar before serving.
  • Storage: Room temperature up to 3 days, refrigerated up to 1 week, or frozen up to 2 months. Keep tightly wrapped or in an airtight container to prevent drying out.

Recipe Notes

The crust in this recipe is adapted from a well-regarded shortbread crust.

Measuring Tips

This recipe was developed using weight measurements. A kitchen scale improves accuracy for baking, but volume measurements are provided if you prefer cups. Note that fluid ounces and weight ounces are not interchangeable — follow the provided measures for best results.

Nutrition

Calories: 293kcal | Carbohydrates: 45 g | Protein: 4 g | Fat: 11 g

📸 Photo Tutorial: How to Make Lemon Bars

Follow these photos with the recipe card for step-by-step guidance.

Ingredients for shortbread crust in a clear mixing bowl.
A bowl full of shortbread dough.

Make the Crust

  1. Prepare to bake. Preheat oven to 350°F. Line a 9×13 pan with foil or parchment and spray the lining.
  2. Mix butter, sugar, vanilla, and salt. Melt the butter and whisk with sugar, vanilla, and salt.
  3. Add flour. Stir in the flour until the dough is combined and no streaks of flour remain.
  4. Press dough into pan. Transfer and press into an even layer; a slightly greasy appearance is normal.
  5. Bake. Bake 25–30 minutes at 350°F until the crust is golden. Prepare the filling while the crust bakes.
Lemons that have been zested and juiced.
A bowl of liquid eggs.

Make the Filling

  1. Zest and juice lemons. Zest two lemons, then juice enough lemons to yield about 1¼ cups of juice.
  2. Whisk eggs. Beat the eggs in a large bowl until combined.
  3. Add sugar, lemon juice, and zest. Stir the lemon juice, sugar, and zest into the beaten eggs.
  4. Sift and whisk in flour. Sift the flour over the mixture and whisk until smooth.
  5. Finish and bake. Pour the filling over the hot crust, reduce the oven to 325°F, and bake 25–30 minutes until the center barely jiggles. Cool, chill for clean cuts, dust with powdered sugar, and serve.
Close up of a lemon bar with more bars in the background.

💛 Tips for Perfect Lemon Bars

  • Use juicy, high-quality lemons: Choose lemons that feel heavy for their size and smell bright.
  • Don’t overmix the crust: Mix only until combined to keep the crust tender.
  • Watch baking time: Bake until set and the center barely jiggles; ovens vary, so use visual cues.
  • Avoid overbaking: Overbaked bars become dry — remove when lightly golden and just set.
  • Chill before cutting: For neat slices, refrigerate until completely cold and wipe your knife between cuts.
A stack of three lemon bars.

💡 FAQs

Can I use bottled lemon juice instead of fresh lemons?

Bottled juice works in a pinch, but fresh lemon juice and zest give a brighter, more vibrant flavor that’s preferable for these bars.

How do I make dairy-free lemon bars?

Substitute vegan butter for the butter in the crust to make these bars dairy-free. Results will vary slightly depending on the butter substitute used.

Can I make lemon bars ahead of time?

Yes. Store them refrigerated or frozen and thaw in the fridge or at room temperature before serving.

What’s the best way to cut lemon bars?

Chill completely, lift bars from the pan using the lining, and use a large sharp knife, wiping the blade between cuts for clean edges.

How long do lemon bars keep?

Room temperature up to 3 days, refrigerated up to 1 week, or frozen up to 2 months in an airtight container or tightly wrapped.

🍋 More Lemon Desserts

Pistachio Pie with Lemon Whipped Cream on a white cake platter.A slice of Lemon Coconut Snowball Cake on a small square plate with the rest of the cake in the background.Several scoops of Lemon Sour Cherry Ice Cream in a clear cup with a teal spoon.Close up of half of a Strawberry Lemonade Ice Cream Pie.Close-up of Lemon Madeleines on a white piece of parchment