May 26, 2024


Than a Food Fitter

Lemon Bars with Shortbread Crust

4 min read


Luscious Lemon Bars 2
Lemon Bars can be made ahead of time and chilled.

Lemon Bars with Shortbread Crust

It’s a paradox that lemons, like most citrus fruits, peak during winter throughout much of the country, because sunshine-bright lemons just scream spring and summer.  Besides their happy and fresh look, you’ll want to grab plenty of fresh lemons for these lemon bars with shortbread crust. These lemon bars are the season’s mascot.

Why You’ll Love these lemon bars:

  • This lemon bar recipe contains the perfect balance of sweetness to tanginess ratio.
  • You’ll get to use up 3 large lemons plus zest. This is especially awesome if you’re a lucky lemon tree owner.
  • The smooth lemon filling rests atop a mouthwatering buttery shortbread crust that tastes of perfection.
  • These homemade lemon bars are heads and shoulders above any store bought lemon bars.
  • Homemade lemon bars are super budget friendly (you won’t even want coffee shop lemon bars after you try these.)
  • These lemon bars keep well for up to a week in the fridge.
Luscious Lemon Bars 3
Make the most out of fresh lemon juice and zest

Key Tips for making the best lemon bars

  • For the shortbread crust, be sure your butter is chilled to begin with.
  • Freeze butter just long enough so that it can be easily grated using large-hole grater. This makes it so much easier to form the crust.
  • Allow the finished lemon bars to fully chill before slicing in. The filling will set completely while it chills.
  • Lining baking dish with foil that extends beyond the dish will allow for easy removal of the entire dessert onto a cutting board.
  • Leftover lemon bars keep well for up to a week, covered and chilled in the fridge.
Luscious Lemon Bars
Luscious lemon custard layered on top of buttery shortbread

Lemon Bars Recipe
Commonly Asked questions

How do you know when lemon bars are done baking?

The center of filling should be somewhat firm yet still a bit “gooey” to the touch. When pan is jiggled, the filling shouldn’t shift at all. Once bars are fully cool and chilled in the fridge, they will set nicely.

How can you make sure lemon bars are set?

Be sure to fully bake the crust until golden brown. When in doubt, it’s better to slightly overbake the crust than underbake it, to ensure that the filling on top fully bakes through.

Do I need to line my baking pan with parchment paper?

We highly recommend lining pan with either parchment or heavy duty foil, with enough excess hanging over the edges, for easy removal of the entire dessert onto the cutting board, once chilled.

How long can lemon bars stay fresh?

You can make lemon bars several days in advance. Keep them covered and chilled. Leftover bars can keep for up to a week.

Other Treats to Bake and EAt:

watch this recipe in action:


lemon bars with lemon slices

Lemon Bars with Shortbread Crust

5 from 18 reviews

These are the most luscious, lemony lemon bars with shortbread crust. Melt in your mouth, buttery shortbread is layered with a fresh, full-bodied lemon custard baked on top.

  • Prep Time: 30 min
  • Cook Time: 40 min
  • Total Time: 1 hour 10 minutes

For the Crust:

  • 1 3/4 cups all purpose flour
  • 2/3 cup powdered sugar
  • 1/4 cup cornstarch
  • 1/4 tsp salt
  • 12 TB regular butter, chilled and cut into 1 inch pieces

For the Filling:

  • 4 large eggs, lightly beaten
  • 1 cup white sugar
  • 3 TB all purpose flour
  • Juice of 3 large lemons (2/3 cup)
  • Zest of 2 lemons
  • 1/3 cup whole milk
  • 1/8 tsp table salt
  1. For the Crust:  Preheat oven to 350F with oven rack at middle position.  Press a long piece of foil into 13×9 baking dish, so that the ends hang over the dish (helps with removal of bars.)  Grease the foil and set aside.
  2. Blend: Blend flour, powdered sugar, cornstarch, and salt in food processor until fully combined, about 15 seconds. Add butter and process to blend, about 10 seconds. Then pulse until the mixture looks pale yellow, resembling a coarse meal. (If you’re doing it by hand, mix the dry ingredients together in large bowl.
  3. Freeze: Freeze butter and grate it on large holes of a grater, into the bowl and toss pieces to coat with flour mixture.  Rub the bits with fingers until flour turns pale yellow and resembles coarse meal.)  Sprinkle crust mixture into prepared pan and firmly press into an even layer over bottom of pan.  Place pan in freezer for 10 minutes.  Then bake about 20 minutes or until golden brown.
  4. For the Filling:  Whisk eggs, sugar, and flour in large bowl.  Stir in lemon zest, lemon juice, milk, and salt to incorporate.
  5. Adjust temperature: Reduce oven temp to 325F. Stir filling mixture well, and pour into warm crust.  Bake until filling feels firm upon a very light touch, 20-25 minutes.  Transfer to wire rack and cool completely to room temp.
  6. Chill: Tightly cover and  chill in fridge before serving. Once chilled, remove entire dessert with foil sling, and cut into squares. Dust with powdered sugar upon serving, if desired. Bars will keep well in fridge, covered.


If you enjoyed this recipe, please come back and give it a rating♡


  • Serving Size: 1
  • Calories: 184
  • Sugar: 14.2 g
  • Sodium: 60.4 mg
  • Fat: 1.2 g
  • Carbohydrates: 38.4 g
  • Fiber: 0.8 g
  • Protein: 4.5 g
  • Cholesterol: 37.3 mg

Keywords: lemon bars, lemon bars recipe


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