Lemon Bars Cut Triangles

Featured in: Simple Sweet Treats

These bright and tangy lemon bars feature a buttery shortbread crust topped with a smooth citrus filling. Baked to golden perfection, the bars are cooled, dusted with powdered sugar, and cut into elegant triangles for easy serving. The combination of zesty lemon juice and zest creates a refreshing balance with the rich crust, making this dessert a delightful treat for any occasion. A simple bake time and straightforward method make preparation accessible yet satisfying, inviting you to indulge in every vibrant bite.

Updated on Fri, 12 Dec 2025 11:23:00 GMT
Golden, triangular-shaped lemon bars, dusted with powdered sugar, offering a zesty bite. Save
Golden, triangular-shaped lemon bars, dusted with powdered sugar, offering a zesty bite. | basilrise.com

Bright, tangy lemon bars with a buttery shortbread crust cut into elegant triangles for an easy, crowd-pleasing dessert

I have shared these lemon bars at many gatherings and they are always the first to disappear

Ingredients

  • For the Shortbread Crust: 1 cup (125 g) all-purpose flour 1/4 cup (30 g) powdered sugar 1/4 teaspoon salt 1/2 cup (115 g) unsalted butter cold and cubed
  • For the Lemon Filling: 1 cup (200 g) granulated sugar 2 large eggs 2 tablespoons (15 g) all-purpose flour 1/4 teaspoon baking powder 1/4 teaspoon salt 1/3 cup (80 ml) freshly squeezed lemon juice (about 2 lemons) 1 tablespoon finely grated lemon zest (about 1 lemon)
  • For Finishing: Powdered sugar for dusting

Instructions

Preheat Oven:
Preheat the oven to 350°F (175°C). Line an 8-inch (20 cm) square baking pan with parchment paper leaving an overhang for easy removal
Prepare Crust:
In a medium bowl combine flour powdered sugar and salt for the crust Add the cold cubed butter and cut it in with a pastry cutter or your fingers until the mixture resembles coarse crumbs
Bake Crust:
Press the mixture firmly and evenly into the bottom of the prepared pan Bake for 15 18 minutes until lightly golden
Make Filling:
Meanwhile whisk together granulated sugar and eggs in a medium bowl until smooth Add flour baking powder salt lemon juice and lemon zest Whisk until well combined
Bake Bars:
Pour the lemon filling over the hot crust as soon as it comes out of the oven Return the pan to the oven and bake for an additional 18 20 minutes or until the filling is set and just barely jiggles in the center
Cool and Serve:
Remove from the oven and let cool completely in the pan on a wire rack Use the parchment overhang to lift out the bars Dust with powdered sugar and cut into 8 squares then cut each square diagonally to make 16 triangles
A close-up of buttery lemon bars cut into neat triangles, perfect for a spring dessert. Save
A close-up of buttery lemon bars cut into neat triangles, perfect for a spring dessert. | basilrise.com

This recipe has become a favorite at family celebrations bringing smiles and nostalgic moments

Tips for Storage

Store lemon bars in an airtight container in the refrigerator for up to 4 days or freeze for longer storage

Variations

Try swapping lime juice for lemon for a tangy twist or add a splash of pure lemon extract for extra flavor

Serving Suggestions

Pair these lemon bars with a cup of Earl Grey tea or a glass of chilled Moscato for a delightful treat

Tangy, vibrant lemon bars in triangle servings, showcasing a sweet shortbread crust detail. Save
Tangy, vibrant lemon bars in triangle servings, showcasing a sweet shortbread crust detail. | basilrise.com

These lemon bars are a simple yet elegant dessert that brightens any occasion

Recipe Help

What kind of crust is used for these lemon bars?

A buttery shortbread crust made from flour, powdered sugar, cold cubed butter, and a pinch of salt forms the base.

How is the lemon filling made tangy?

The filling combines freshly squeezed lemon juice and finely grated lemon zest for a bright, tangy flavor.

Why are the lemon bars cut into triangles?

Cutting into triangles creates an elegant presentation and easy-to-handle portions for serving.

What is the baking process for these bars?

The crust is baked first until golden, then the lemon filling is poured on top and baked again until set but slightly jiggles.

Any tips for cleaner slicing of the bars?

Chilling the bars before slicing and using the parchment overhang helps achieve cleaner, precise cuts.

Can any variations enhance the lemon flavor?

Adding a splash of pure lemon extract to the filling can boost the citrus aroma and flavor.

Lemon Bars Cut Triangles

Bright lemon bars with buttery shortbread crust, cut into easy triangles for a crowd-pleasing dessert.

Getting Ready Time
20 min
Time to cook
35 min
Time Required
55 min
Created by Claire Hastings

Recipe type Simple Sweet Treats

Skill Level Easy

Cuisine American

Serves 16 Portions

Dietary guidelines Meatless

What You Need

Shortbread crust

01 1 cup all-purpose flour
02 1/4 cup powdered sugar
03 1/4 teaspoon salt
04 1/2 cup unsalted butter, cold and cubed

Lemon filling

01 1 cup granulated sugar
02 2 large eggs
03 2 tablespoons all-purpose flour
04 1/4 teaspoon baking powder
05 1/4 teaspoon salt
06 1/3 cup freshly squeezed lemon juice (about 2 lemons)
07 1 tablespoon finely grated lemon zest (about 1 lemon)

Finishing

01 Powdered sugar for dusting

Steps

Step 01

Prepare oven and pan: Preheat oven to 350°F. Line an 8-inch square baking pan with parchment paper, leaving an overhang for easy removal.

Step 02

Mix crust ingredients: In a medium bowl, combine flour, powdered sugar, and salt. Cut in cold, cubed butter with a pastry cutter or fingers until mixture resembles coarse crumbs.

Step 03

Bake crust: Press mixture firmly and evenly into bottom of prepared pan. Bake for 15 to 18 minutes until lightly golden.

Step 04

Prepare lemon filling: Whisk granulated sugar and eggs in a medium bowl until smooth. Add flour, baking powder, salt, lemon juice, and lemon zest; whisk until fully combined.

Step 05

Bake filling: Pour filling over hot crust immediately after removing from oven. Return pan to oven and bake for an additional 18 to 20 minutes until filling is set and slightly jiggles in center.

Step 06

Cool completely: Remove from oven and cool completely in pan on a wire rack.

Step 07

Serve: Use parchment overhang to lift bars from pan. Dust with powdered sugar. Cut into 8 squares, then cut each square diagonally to make 16 triangles.

Kitchen Essentials

  • 8-inch square baking pan
  • Mixing bowls
  • Whisk
  • Pastry cutter or fork
  • Parchment paper
  • Sharp knife

Possible Allergens

Go through ingredients for allergens. Reach out to a health expert if you're unsure.
  • Contains wheat (gluten), eggs, and dairy (butter). Verify labels for allergen safety.

Nutrition details (per portion)

Nutrition info is for reference only, not a substitute for specialist advice.
  • Calorie Count: 135
  • Fats: 6 g
  • Carbohydrates: 19 g
  • Proteins: 1 g