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Home » Cookies & Bars

Lemon Bars with Shortbread Crust

Published: Apr 7, 2023 by Jenn ·This post may contain affiliate links ·

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Recipe card for lemon bars with shortbread crust.

These Lemon Bars with Shortbread Crust are the ultimate citrus dessert bright, buttery, and just the right amount of sweet. A rich, tender vanilla shortbread base supports a tart lemon filling that’s baked until just set, then dusted with powdered sugar.

Lemon bars on tray with tulips.

Ingredients Needed & Why

  • All-Purpose Flour – The base of the dough, providing structure and a tender crumb.
  • Granulated Sugar – Sweetens the crust and the filling just enough without overpowering the tartness of the lemon.
  • Ground Ginger – A subtle warmth that pairs beautifully with lemon and vanilla.
  • Vanilla Extract – Adds floral, creamy notes to round out the shortbread.
  • Unsalted Butter – Softened butter binds the dough and bakes into a rich, melt-in-your-mouth crust.
  • Fresh Lemon Juice and Lemon Zest– Use fresh juice from 4 large lemons for the brightest flavor.

How to Make Lemon Bars

This recipe is one of the easiest desserts to make for a new baker. No mixer or special tools required. I prefer to hand mix my shortbread crust then gently press into the bottom of a 9 x 13 inch glass baking dish. Hand whisk together your filling in a separate bowl while the crust is pre-baking. Then, simply pour the filling on top and back in the oven.

  • Dip you fingertips in cold water to help press the shortbread dough into the bottom of baking dish. Cold water keeps from melting the butter and wet fingertips prevents the dough from sticking to your hands.
  • If you aren't a fan of ginger simply leave it out. Or if you're a big fan, feel free to add ½ teaspoon more for extra flavor.
  • Don't panic if you see air bubbles on the top of the baked bars before cooling. All is well and the bubbles will be covered up with powdered sugar anyway.

Once baked, let the bars cool to room temperature before placing in the fridge to fully chill for a couple of hours. Slice your chilled bars and then lightly sprinkle with powdered sugar for that classic lemon square appearance.

The hardest part about making lemon bars is waiting for them to cool and set. Once you smell that lemon aroma, you're tongue is sure to tingle with the excitement of this tangy treat.

Helpful Tips

  • Use a glass or ceramic pan for even baking and clean slicing, plus you can see the layers with a glass pan.
  • Room-temperature eggs mix more easily and prevent a lumpy filling.
  • Pour the filling onto a hot crust—this helps the layers bond and prevents a soggy bottom.
  • Chill completely before slicing to get neat squares with clean edges.
  • Zest your lemons before juicing to avoid squishing or losing flavor.

Do Lemon Bars Have to be Refrigerated?

Lemon Bars are essentially considered a custard, with their lemon curd like filling. They should be refrigerated to maintain consistency if not being served. But, if you are displaying them on a plate at a party, lemon bars will be fine at room temperature for a few hours.

How to Perfectly Slice Lemon Bars

Use a glass baking pan lined with parchment paper both ways. Let the paper overhang about 3 inches over the sides so you can lift the whole shape out of the pan. Once the bars have chilled for a couple of hours, you can freeze the pan for about an hour to make them a bit firmer. Slightly frozen lemon bars are easier to lift, preventing cracking while removing from pan.

Run a sharp knife or offset spatula around the edges of the bars before lifting from pan. Slice on a firm cutting surface, wiping off knife in between cuts.

Storage & Leftovers

  • Serving Tip: These are best served chilled or at room temperature—not warm.
  • Refrigerator: Store lemon bars in an airtight container for up to 5 days.
  • Freezer: Freeze individual bars (without powdered sugar) for up to 2 months. Thaw in the fridge and dust with sugar before serving.
Lemon bars on tray with tulips.
Jenn Davis

Lemon Bars with Shortbread Crust

5 from 1 vote
Print Recipe Pin Recipe Ingredient Tips
Prep Time 10 minutes mins
Cook Time 45 minutes mins
Total Time 55 minutes mins
Servings: 12 servings
Course: Dessert
Cuisine: American
Ingredients Method

Ingredients

Vanilla Shortbread Crust
  • 2 Cups (250 grams) All Purpose Flour
  • ½ Cup (100 grams) Granulated Sugar
  • ½ teaspoon Kosher Salt
  • 1 teaspoon Ground Ginger
  • 1 ½ teaspoon Vanilla Extract
  • 16 tablespoon (226 grams) Unsalted Butter, softened
Lemon Bar Filling
  • ¾ Cup Fresh Lemon Juice , (from 4 large lemons)
  • 4 Large Eggs
  • 1 Egg Yolk
  • 1 ¾ Cups Granulated Sugar
  • 2 tablespoon Fresh Lemon Zest
  • ¼ Cup plus 3 tablespoon All Purpose Flour
Topping
  • Powdered Sugar, for sprinkling
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Method
 

  1. Preheat Oven to 325 F (163 C) and line a 9 x 13 inch glass pan with overhanging parchment paper.
  2. In medium bowl hand whisk together flour, sugar, salt, and ginger.
  3. Add vanilla extract and softened butter to flour mixture.
  4. Gently mix together with hands until massaging until a soft shortbread dough is formed.
  5. Transfer dough to baking pan and gently press across bottom of pan into an even layer. Wet fingertips or rubber spatula with cold water to help preventing sticking as you level dough.
  6. Place pan on middle rack of oven and bake for 18-20 minutes until slightly golden.
  7. While shortbread is baking mix together filling.
  8. In a large bowl hand whisk together all ingredients until smooth liquid.
  9. Remove pre-baked crust from oven and pour filling directly onto hot crust.
  10. Place pan back in the oven and bake for an additional 22-24 minutes until center is set without any wobbling.
  11. Remove pan from oven again and place on a cooling rack until completetly cooled.
  12. Cover cooled pan with plastic wrap and place in fridge to set and chill for 1.5-2 hrs.
  13. Run an offset metal spatula around the edges of pan to loosen bars. Lift parchment paper from pan by pulling up on overhanging sides. Set on a cutting surface.
  14. Using a sharp knife slice into squares. Dust lightly with powdered sugar and serve.

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5 from 1 vote (1 rating without comment)

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Comments

  1. Kiki

    April 15, 2020 at 11:05 am

    I LOVE lemon bars, and I first saw them at a Starbucks about 10 years ago. It was my favourite treat, and then they stopped making them. I've tried to make them myself but the recipe I used didn't turn out as I remembered the Starbucks lemon bars, which in turn made me not want to try any new recipes at all.
    Your lemon bars look fantastic, and I've already bookmarked them - can't wait to make these!

    Reply
    • Jenn

      April 15, 2020 at 11:47 am

      Hey Kiki!! I would love to know if you make them!! 🙂

      Reply
  2. Elle

    April 23, 2020 at 7:35 pm

    These sound amazing and perfect for my lemon head hubby. In the paragraph above the recipe you mention that the ginger and nutmeg can be left out if not a fan, but I only see ginger listed in the ingredients. Is there supposed to be nutmeg too? Thanks and keep the recipes coming!

    Reply
    • Jenn

      April 23, 2020 at 8:07 pm

      Hi Elle! Just Ginger and Vanilla added to the shortbread:) Please let me know if you make them!

      Reply
5 from 1 vote (1 rating without comment)

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